Patent US3850453A successfully refreshed from Google Patents.
Patent US2112709A successfully refreshed from Google Patents.
US2112709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for keeping windshields clear
Assignee: Individual
•
Filing: 1937-07-20
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Granted: 1938-03-29
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Expires: 1957-07-20
Abstract
No abstract record available.
Inventors
- 👤 Noble D Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:30
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/20; B60J1/2002; B60J1/2005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-03-28 | 1941-09-27 | 1942-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-28 | 1945-09-27 | 1946-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-28 | 1949-09-27 | 1950-03-29 | $7700.00 | Window Closed / Lapsed |