US2796003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Periscopic device for automobiles
Assignee: Individual
•
Filing: 1953-04-08
•
Granted: 1957-06-18
•
Expires: 1973-04-08
Abstract
No abstract record available.
Inventors
- 👤 William J Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:31
CPC Classifications
B; B60; B60R; B60R1/00; B60R1/10; G; G02; G02B; G02B23/00; G02B23/02; G02B23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1666236A
Cited
US1828924A
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US2325253A
Cited
US2540257A
Cited
US2534135A
Cited
US2551243A
Cited
US2654286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |