US3072342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid sprayer
Assignee: Scott Fetzer Co
•
Filing: 1960-11-22
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Granted: 1963-01-08
•
Expires: 1980-11-22
Abstract
No abstract record available.
Inventors
- 👤 Charles H Macfarland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:07
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/24; B05B7/2402; B05B7/2405; B05B7/2435; B05B7/2437
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
219 words
A LIQUID SPRAYER TO BE EMPLOYED WITH A LOW PRESSURE, CONTINUOUS FLOW AIR SUPPLY COMPRISING A SPRAYER BODY HAVING A SUBSTANTIALLY STRAIGHT AIR PASSAGE THERETHROUGH, SAID PASSAGE HAVING AN OPEN REAR PORTION AND A CONSTRICTED FORWARD PORTION, A LIQUID CONTAINER ATTACHED TO SAID BODY, A LIQUID DISCHARGE NOZZLE POSITIONED WITHIN THE AIR PASSAGE OF SAID BODY IN PROXIMITY TO THE CONSTRICTED FORWARD PORTION OF SAID AIR PASSAGE, A LIQUID CARRYING TUBE CONNECTED TO SAID NOZZLE AND EXTENDING INTO SAID LIQUID CONTAINER TO PERMIT THE FLOW OF LIQUID FROM SAID CONTAINER TO SAID NOZZLE, A VALVE PLUNGER LONGITUDINALLY POSITIONED WITHIN THE AIR PASSAGE OF SAID BODY AND SPACED A SUBSTANTIAL DISTANCE FROM SAID BODY WITH THE FORWARD PORTION OF SAID PLUNGER IN CONTACT WITH SAID NOZZLE, A TRIGGER ATTACHED TO SAID PLUNGER TO PROVIDE MANUAL LONGITUDINAL RECIPROCATION OF SAID PLUNGER WITHIN SAID AIR PASSAGE WITH RESPECT TO SAID NOZZLE, SPRING MEANS MAINTAINING SAID PLUNGER IN RELEASABLE CONTACT WITH SAID NOZZLE, AN OPENING IN SAID SPRAYER BODY CONNECTING THE AIR PASSAGE THEREOF WITH SAID LIQUID CONTAINER SO THAT A PORTION OF THE AIR FLOWING THROUGH SAID AIR PASSAGE WILL BE DIVERTED INTO SAID CONTAINER FORCING LIQUID THEREIN UP THROUGH SAID LIQUID CARRYING TUBE WHEREBY ACTUATING SAID TRIGGER WILL DISPLACE SAID PLUNGER LONGITUDINALLY THEREBY CAUSING LIQUID TO BE DISCHARGED FROM SAID NOZZLE.
Claim 2
Dependent Claim
219 words
A LIQUID SPRAYER TO BE EMPLOYED WITH A LOW PRESSURE, CONTINUOUS FLOW AIR SUPPLY COMPRISING A SPRAYER BODY HAVING A SUBSTANTIALLY STRAIGHT AIR PASSAGE THERETHROUGH, SAID PASSAGE HAVING AN OPEN REAR PORTION AND A CONSTRICTED FORWARD PORTION, A LIQUID CONTAINER ATTACHED TO SAID BODY, A LIQUID DISCHARGE NOZZLE POSITIONED WITHIN THE AIR PASSAGE OF SAID BODY IN PROXIMITY TO THE CONSTRICTED FORWARD PORTION OF SAID AIR PASSAGE, A LIQUID CARRYING TUBE CONNECTED TO SAID NOZZLE AND EXTENDING INTO SAID LIQUID CONTAINER TO PERMIT THE FLOW OF LIQUID FROM SAID CONTAINER TO SAID NOZZLE, A VALVE PLUNGER LONGITUDINALLY POSITIONED WITHIN THE AIR PASSAGE OF SAID BODY AND SPACED A SUBSTANTIAL DISTANCE FROM SAID BODY WITH THE FORWARD PORTION OF SAID PLUNGER IN CONTACT WITH SAID NOZZLE, A TRIGGER ATTACHED TO SAID PLUNGER TO PROVIDE MANUAL LONGITUDINAL RECIPROCATION OF SAID PLUNGER WITHIN SAID AIR PASSAGE WITH RESPECT TO SAID NOZZLE, SPRING MEANS MAINTAINING SAID PLUNGER IN RELEASABLE CONTACT WITH SAID NOZZLE, AN OPENING IN SAID SPRAYER BODY CONNECTING THE AIR PASSAGE THEREOF WITH SAID LIQUID CONTAINER SO THAT A PORTION OF THE AIR FLOWING THROUGH SAID AIR PASSAGE WILL BE DIVERTED INTO SAID CONTAINER FORCING LIQUID THEREIN UP THROUGH SAID LIQUID CARRYING TUBE WHEREBY ACTUATING SAID TRIGGER WILL DISPLACE SAID PLUNGER LONGITUDINALLY THEREBY CAUSING LIQUID TO BE DISCHARGED FROM SAID NOZZLE.
References Cited (Backward Citations)
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US2595317A
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US2576669A
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US2675147A
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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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |