Patent US3669357A successfully refreshed from Google Patents.
US3669357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Injection and distribution unit for a lawn sprinkler system
Assignee: Individual
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Filing: 1970-08-19
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Granted: 1972-06-13
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Expires: 1990-08-19
Abstract
Abstract An injection and distribution unit for a lawn sprinkler system. The unit, which includes a reservoir, transfer tube and connector, injects liquid fertilizers and pesticides into the lawn sprinkler system. The fertilizer or pesticide is injected upstream of the pump and is mixed with water passing through the sprinkler system and distributed to the lawn or to nursery stock. The injection and distribution unit does not materially reduce flow through the system and is easily connected to existing pump suction pipes made of galvanized iron, polyvinal chloride (PVC), polyethylene and other materials.
Inventors
- 👤 Charles A Overbey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:32
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; Y; Y02; Y02P; Y02P60/00; Y02P60/20; Y02P60/21
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
142 words
A liquid injection and distri-bution device for use with a lawn sprinkling system having a suction line, water pump and distribution piping, comprising: A. a transfer tube having one end thereof adapted to communicate with a hole provided in said suction line; B. a substantially flat seal connected to said one end of said transfer tube; C. said seal having one surface thereof adapted to conform to the curvature of the outer surface of the suction line adjacent said hole; D. means engaging the other surface of said seal for clamping said seal and said transfer tube to said suction line; and E. the other end of said transfer tube adapted to communicate with a liquid source; whereby the liquid from said liquid source is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
Claim 2
Dependent Claim
142 words
A liquid injection and distri-bution device for use with a lawn sprinkling system having a suction line, water pump and distribution piping, comprising: A. a transfer tube having one end thereof adapted to communicate with a hole provided in said suction line; B. a substantially flat seal connected to said one end of said transfer tube; C. said seal having one surface thereof adapted to conform to the curvature of the outer surface of the suction line adjacent said hole; D. means engaging the other surface of said seal for clamping said seal and said transfer tube to said suction line; and E. the other end of said transfer tube adapted to communicate with a liquid source; whereby the liquid from said liquid source is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
Claim 3
Dependent Claim
33 words
A lawn sprinkling system as defined in claim 1 wherein said seal is constructed of a resilient material having a hole through which said one end of said transfer tube has been force-fitted.
Claim 4
Dependent Claim
13 words
a hole in said metal band through which extends said transfer tube; and
Claim 5
Dependent Claim
13 words
a hole in said metal band through which extends said transfer tube; and
Claim 6
Dependent Claim
66 words
an adjustment screw attached to said metal band for contracting said metal band thereby clamping said seal against the outer surface of said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
Claim 7
Dependent Claim
66 words
an adjustment screw attached to said metal band for contracting said metal band thereby clamping said seal against the outer surface of said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
Claim 8
Dependent Claim
40 words
A liquid injection and distribution device as defined in claim 1 wherein said transfer tube includes detachable orifice means insertable in said other end of said transfer tube for reducing the rate of flow of liquid through said transfer tube.
Claim 9
Dependent Claim
62 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line, including;
Claim 10
Dependent Claim
62 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line, including;
Claim 11
Dependent Claim
193 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping; F. said transfer tube including adjustment means for preselecting the depth to which said other end of said transfer tube is inserted in said liquid reservoir; G. said liquid reservoir including a cover having a hole therein for insertion of said transfer tube; H. said adjustment means including clamps located at spaced intervals along said transfer tube which are normally adapted to rest on the top surface of said cover and then forced through said hole in said cover to adjust the depth of said transfer tube in said liquid reservoir.
Claim 12
Dependent Claim
193 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping; F. said transfer tube including adjustment means for preselecting the depth to which said other end of said transfer tube is inserted in said liquid reservoir; G. said liquid reservoir including a cover having a hole therein for insertion of said transfer tube; H. said adjustment means including clamps located at spaced intervals along said transfer tube which are normally adapted to rest on the top surface of said cover and then forced through said hole in said cover to adjust the depth of said transfer tube in said liquid reservoir.
Claim 13
Dependent Claim
181 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping; F. said transfer tube including adjustment means for preselecting the depth to which said other end of said transfer tube is inserted in said liquid reservoir; G. said adjustment means adapted to secure said transfer tube at a preselected depth in said liquid reservoir whereby as the liquid drops below said other end of said transfer tube air will be injected into said distribution piping Causing automatic audio and visual signals to be detected in the lawn sprinkling system.
Claim 14
Dependent Claim
181 words
In combination with a lawn sprinkling system including a suction line, water pump and distribution piping; A. a hole provided in said suction line; B. a transfer tube having one end thereof extending into said hole; C. a seal adjacent to one end of said transfer tube; D. means for clamping said seal and said transfer tube to said suction line; and E. a liquid reservoir into which is extended the other end of said transfer tube; whereby the liquid in said liquid reservoir is automatically injected and mixed with the water being pumped by said water pump into said distribution piping; F. said transfer tube including adjustment means for preselecting the depth to which said other end of said transfer tube is inserted in said liquid reservoir; G. said adjustment means adapted to secure said transfer tube at a preselected depth in said liquid reservoir whereby as the liquid drops below said other end of said transfer tube air will be injected into said distribution piping Causing automatic audio and visual signals to be detected in the lawn sprinkling system.
Claim 15
Dependent Claim
133 words
A liquid injection and distribution device for use with a lawn sprinkling system having a suction line, water pump and distribution piping, comprising: A. a transfer tube having one end thereof adapted to communicate with a hole provided in said suction line; B. a seal adjacent to one end of said transfer tube; C. a band surrounding said suction line; D. a hole in said band through which extends said transfer tube; E. an adjustment means attached to said band for contracting said band thereby clamping said seal to said suction line; and F. the other end of said transfer tube adapted to communicate with a liquid source; whereby the liquid from said liquid source is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
Claim 16
Dependent Claim
133 words
A liquid injection and distribution device for use with a lawn sprinkling system having a suction line, water pump and distribution piping, comprising: A. a transfer tube having one end thereof adapted to communicate with a hole provided in said suction line; B. a seal adjacent to one end of said transfer tube; C. a band surrounding said suction line; D. a hole in said band through which extends said transfer tube; E. an adjustment means attached to said band for contracting said band thereby clamping said seal to said suction line; and F. the other end of said transfer tube adapted to communicate with a liquid source; whereby the liquid from said liquid source is automatically injected and mixed with the water being pumped by said water pump into said distribution piping.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |