US2868924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Time base mechanism
Assignee: ABRAMS INSTR CORP
•
Filing: 1956-06-26
•
Granted: 1959-01-13
•
Expires: 1976-06-26
Abstract
No abstract record available.
Inventors
- 👤 John E Hewitt
- 👤 Louis F Schmidt
- 👤 David G Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:37
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/04; G04C3/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US402329A
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US1585318A
Cited
US1585319A
Cited
US1933842A
Cited
US1913826A
Cited
US2090198A
Cited
US2423990A
Cited
US2662365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |