Patent US2626313A successfully refreshed from Google Patents.
US2626313A
Expired / Lapsed
US
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Apparatus for determining time intervals
Assignee: Individual
•
Filing: 1945-03-26
•
Granted: 1953-01-20
•
Expires: 1965-03-26
Abstract
No abstract record available.
Inventors
- 👤 Napolin Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:43
CPC Classifications
G; G04; G04F; G04F10/00; G04F10/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412631A
Cited
US2287174A
Cited
US2445584A
Cited
US2418127A
Cited
US2403527A
Cited
US2419590A
Cited
US2563879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |