Patent US2675135A successfully refreshed from Google Patents.
US2675135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch tripping mechanism
Assignee: Sanford Investment Co
•
Filing: 1950-05-12
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Granted: 1954-04-13
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Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 Ii Alfred F Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:12
CPC Classifications
B; B61; B61D; B61D7/00; B61D7/14; B61D7/16; B61D7/24; B61D7/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US164941A
Cited
US423500A
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US1195975A
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US2225463A
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US2288926A
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US2399708A
Cited
US2634007A
Cited
US2441978A
Cited
US2487447A
Cited
US2522197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |