US3284832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window cleaning device
Assignee: METHODS Inc
•
Filing: 1964-04-16
•
Granted: 1966-11-15
•
Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Clement L Mciver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:42
CPC Classifications
A; A47; A47L; A47L1/00; A47L1/02; A47L1/05
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
78 words
A WINDOW CLEANING DEVICE COMPRISING A CASING AND A HEAD, A MOTOR IN SAID CASING, A PAIR OF SHAFTS JOURNALED IN SAID CASING, THE INNER END OF ONE OF SAID SHAFTS BEING DRIVEN BY SAID MOTOR, ECCENTRICES ON THE OUTER ENDS OF SAID SHAFTS, JOURNALS ON SAID HEAD FOR RECEIVING SAID ECCENTRICS, GEARS AFFIXED TO SAID SHAFTS AND A TIMING BELT IN MESH WITH SAID GEARS, WHEREBY SAID MOTOR IS ADAPTED TO CAUSE OSCILLATORY MOTION OF SAID HEAD.
References Cited (Backward Citations)
US1162784A
Cited
US1553456A
Cited
US2247993A
Cited
US2590913A
Cited
US2877478A
Cited
US2968187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |