Patent US2743775A successfully refreshed from Google Patents.
US2743775A
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Gravity actuated delay timer
Assignee: Individual
•
Filing: 1953-01-23
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Granted: 1956-05-01
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Expires: 1973-01-23
Abstract
No abstract record available.
Inventors
- 👤 Orson L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
G; G04; G04F; G04F1/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US396632A
Cited
US1007177A
Cited
US1358426A
Cited
US1554652A
Cited
US2148790A
Cited
US2599858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |