US3345672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window cleaning device
Assignee: California Car Wash Systems Inc
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Filing: 1965-02-15
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Granted: 1967-10-10
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Expires: 1985-02-15
Abstract
No abstract record available.
Inventors
- 👤 Mers Herbert La
- 👤 Maury W Wayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:28
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/06; A47L1/08; A47L1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A CLEANING DEVICE COMPRISING A CLEANING HEAD, A HANDLE FOR HOLDING SAID CLEANING HEAD, SAID CLEANING HEAD HAVING A WORKING SURFACE WITH AN ELONGATED AXIS, SAID WORKING SURFACE HAVING A SUBSTANTIALLY NONDEFORMABLE VSHAPED CROSS-SECTION IN A PLANE AT RIGHT ANGLES TO SAID ELONGATED AXIS, WITH THE APEX OF SAID V EXTENDING OUTWARDLY OF SAID HEAD, A PLURALITY OF WATER OPENINGS DISPOSTED ALONG THE APEX OF SAID V, A PLURALITY OF RESILIENT PARALLEL SPACED SCRUBBING TEETH DISPOSED ON BOTH SIDES OF SAID PLURALITY OF WATER OPENINGS AND EXTENDING IN THE LONG DIRECTION OF SAID RECTANGULARLY SHAPED WORKING SURFACE, A PLURALITY OF PARALLEL SPACED RESILIENT SQUEEGEE TEETH POSITIONED ADJACENT SAID SCRUBBING TEETH ON THE
Claim 2
Dependent Claim
112 words
A CLEANING DEVICE COMPRISING A CLEANING HEAD, A HANDLE FOR HOLDING SAID CLEANING HEAD, SAID CLEANING HEAD HAVING A WORKING SURFACE WITH AN ELONGATED AXIS, SAID WORKING SURFACE HAVING A SUBSTANTIALLY NONDEFORMABLE VSHAPED CROSS-SECTION IN A PLANE AT RIGHT ANGLES TO SAID ELONGATED AXIS, WITH THE APEX OF SAID V EXTENDING OUTWARDLY OF SAID HEAD, A PLURALITY OF WATER OPENINGS DISPOSTED ALONG THE APEX OF SAID V, A PLURALITY OF RESILIENT PARALLEL SPACED SCRUBBING TEETH DISPOSED ON BOTH SIDES OF SAID PLURALITY OF WATER OPENINGS AND EXTENDING IN THE LONG DIRECTION OF SAID RECTANGULARLY SHAPED WORKING SURFACE, A PLURALITY OF PARALLEL SPACED RESILIENT SQUEEGEE TEETH POSITIONED ADJACENT SAID SCRUBBING TEETH ON THE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |