US3324499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning device
Assignee: Individual
•
Filing: 1964-10-06
•
Granted: 1967-06-13
•
Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 West Geoffrey Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:03
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4044; A47L1/00; A47L1/06; A47L1/08; A47L11/29; A47L11/30; A47L11/408; A47L11/4088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
A CLEANING DEVICE COMPRISING (A) A HOLLOW SQUEEGEE HEAD FOR CONTACTING A SURFACE TO BE CLEANED; (B) SUCTION MEANS OPERABLE BY COMPRESSED AIR AND JOINED TO AND COMMUNICATING WITH THE SQUEEGEE HEAD; (C) SPRAY MEANS FOR DISTRIBUTING CLEANING FLUID MOUNTED NEAR THE SQUEEGEE HEAD, THE SPRAY MEANS COMPRISING AN OUTLET FOR CLEANING FLUID POSITIONED TO DIRECT CLEANING FLUID IN USE ONTO A SURFACE TO BE CLEANED; (D) OUTLET VALVE MEANS FOR OPENING AND CLOSING THE OUTLET OF THE SPRAY MEANS; (E) OUTLET-VALVE CONTROL MEANS OPERABLE TO OPEN THE OUTLET WHEN COMPRESSED AIR IS SUPPLIED TO THE OUTLETVALVE CONTROL MEANS AND TO CLOSE THE OUTLET WHEN COMPRESSED AIR IS NOT SUPPLIED, THE CONTROL MEANS COMPRISING AN EXPANSIBLE CHAMBER DEVICE OPERATIVELY CONNECTED TO THE OUTLET VALVE; (F) A MANIFOLD COMPRISING AN INLET FOR COMPRESSED AIR AND OUTLETS TO THE CONTROL MEANS AND THE SUCTION MEANS; (G) A SUPPLY SOURCE FOR CLEANING FLUID INDEPENDENT OF THE MANIFOLD.
Claim 2
Dependent Claim
154 words
A CLEANING DEVICE COMPRISING (A) A HOLLOW SQUEEGEE HEAD FOR CONTACTING A SURFACE TO BE CLEANED; (B) SUCTION MEANS OPERABLE BY COMPRESSED AIR AND JOINED TO AND COMMUNICATING WITH THE SQUEEGEE HEAD; (C) SPRAY MEANS FOR DISTRIBUTING CLEANING FLUID MOUNTED NEAR THE SQUEEGEE HEAD, THE SPRAY MEANS COMPRISING AN OUTLET FOR CLEANING FLUID POSITIONED TO DIRECT CLEANING FLUID IN USE ONTO A SURFACE TO BE CLEANED; (D) OUTLET VALVE MEANS FOR OPENING AND CLOSING THE OUTLET OF THE SPRAY MEANS; (E) OUTLET-VALVE CONTROL MEANS OPERABLE TO OPEN THE OUTLET WHEN COMPRESSED AIR IS SUPPLIED TO THE OUTLETVALVE CONTROL MEANS AND TO CLOSE THE OUTLET WHEN COMPRESSED AIR IS NOT SUPPLIED, THE CONTROL MEANS COMPRISING AN EXPANSIBLE CHAMBER DEVICE OPERATIVELY CONNECTED TO THE OUTLET VALVE; (F) A MANIFOLD COMPRISING AN INLET FOR COMPRESSED AIR AND OUTLETS TO THE CONTROL MEANS AND THE SUCTION MEANS; (G) A SUPPLY SOURCE FOR CLEANING FLUID INDEPENDENT OF THE MANIFOLD.
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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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |