US2876829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device
Assignee: Individual
•
Filing: 1956-02-06
•
Granted: 1959-03-10
•
Expires: 1976-02-06
Abstract
No abstract record available.
Inventors
- 👤 Darrell M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:25
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190105566A
Cited
US703483A
Cited
US1039647A
Cited
US1837406A
Cited
US2229411A
Cited
US2667917A
Cited
US2675858A
Cited
US2664140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-09 | 1962-09-08 | 1963-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-09 | 1966-09-08 | 1967-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-09 | 1970-09-08 | 1971-03-10 | $7700.00 | Window Closed / Lapsed |