US3755843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pool vacuum system
Assignee: Individual
•
Filing: 1971-06-24
•
Granted: 1973-09-04
•
Expires: 1991-06-24
Abstract
Abstract Herein described is a fully contained pool cleaning and vacuuming system. The system includes a housing in the form of a canister enclosing a filtration element therein which is directly attachable to a vacuum head by a flexible tube. A pump is disposed in the canister along with a power source for moving the water from the vacuum head through the filter unit.
Inventors
- 👤 J Goertzen
- 👤 R Hargrave
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:02
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/14; E04H4/16; E04H4/1618; E04H4/1636
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
127 words
A swimming pool cleaning apparatus including: a vacuum head for being moved over the bottom surface of a swimming pool; a housing having a top end and a bottom end, an inlet on the bottom end and a outlet near the top end thereof, said housing being mounted to said vacuum head; a filtration unit in said housing; a conduit coupled between said vacuum head and the inlet in said housing communicating with said filtration unit; means disposed near the top end of said housing for causing water to flow from said vacuum head into the housing through the inlet end and through said filtration unit and out the outlet of said housing ; and means coupled to the outlet of said housing for closing said outlet.
Claim 2
Dependent Claim
127 words
A swimming pool cleaning apparatus including: a vacuum head for being moved over the bottom surface of a swimming pool; a housing having a top end and a bottom end, an inlet on the bottom end and a outlet near the top end thereof, said housing being mounted to said vacuum head; a filtration unit in said housing; a conduit coupled between said vacuum head and the inlet in said housing communicating with said filtration unit; means disposed near the top end of said housing for causing water to flow from said vacuum head into the housing through the inlet end and through said filtration unit and out the outlet of said housing ; and means coupled to the outlet of said housing for closing said outlet.
Claim 3
Dependent Claim
20 words
The apparatus as defined in claim 1 and further including a power source disposed in said housing for driving means.
Claim 4
Dependent Claim
23 words
The apparatus as defined in claim 1 and wherein said means including a submersible electric pump mounted in communication with said filtration unit.
Claim 5
Dependent Claim
31 words
The apparatus as defined in claim 3 wherein said electric pump being mounted in said housing and further including a power source in said housing and being coupled to said pump.
Claim 6
Dependent Claim
22 words
The apparatus as defined in claim 1 and further including means coupled to the outlet of said housing for closing said outlet.
Claim 7
Dependent Claim
155 words
A swimming pool cleaning apparatus including: a vacuum head mounted for being used over the bottom surface of a swimming pool; a housing having a top end and a bottom end, an inlet on the bottom end and a first outlet near the top end thereof, said housing being mounted to said vacuum head; a filtration unit in said housing; said vacuum head communicating with said filtration unit in said housing; means disposed near the top end of said housing for causing water to flow from said vacuum head into the housing through the inlet end and through said filtration unit and out said first outlet of said housing; a second outlet in said housing and communicating with said first outlet; a restrictive area in said first mentioned outlet and near the second outlet for creating the Venturi effect to draw water through said second outlet to increase the flow rate through said filtration unit.
Claim 8
Dependent Claim
155 words
A swimming pool cleaning apparatus including: a vacuum head mounted for being used over the bottom surface of a swimming pool; a housing having a top end and a bottom end, an inlet on the bottom end and a first outlet near the top end thereof, said housing being mounted to said vacuum head; a filtration unit in said housing; said vacuum head communicating with said filtration unit in said housing; means disposed near the top end of said housing for causing water to flow from said vacuum head into the housing through the inlet end and through said filtration unit and out said first outlet of said housing; a second outlet in said housing and communicating with said first outlet; a restrictive area in said first mentioned outlet and near the second outlet for creating the Venturi effect to draw water through said second outlet to increase the flow rate through said filtration unit.
Claim 9
Dependent Claim
21 words
The apparatus as defined in claim 6 and further including A power source disposed in said housing for driving said means.
Claim 10
Dependent Claim
23 words
The apparatus as defined in claim 6 and wherein said means including a submersible electric pump mounted in communication with said filtration unit.
Claim 11
Dependent Claim
31 words
The apparatus as defind in claim 6 wherein said electric pump being mounted in said housing and further including a power source in said housing and being coupled to said pump.
Claim 12
Dependent Claim
22 words
The apparatus as defined in claim 6 and further including means coupled to the outlet of said housing for closing said outlet.
References Cited (Backward Citations)
US1120130A
Cited
US1557212A
Cited
US1778935A
Cited
FR758796A
Cited
US3075227A
Cited
US3321787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |