US2977623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield cleaning mechanism
Assignee: Motors Liquidation Co
•
Filing: 1957-09-26
•
Granted: 1961-04-04
•
Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 Harry W Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/46; B60S1/48; B60S1/481; B60S1/482; B60S1/483
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2364603A
Cited
FR873409A
Cited
US2357152A
Cited
US2335424A
Cited
US2499298A
Cited
US2513247A
Cited
US2717518A
Cited
US2810294A
Cited
US2832225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |