US2432633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Overload release coupling
Assignee: AT&T Inc
•
Filing: 1943-04-30
•
Granted: 1947-12-16
•
Expires: 1963-04-30
Abstract
No abstract record available.
Inventors
- 👤 Sirp Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:44
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/04; Y; Y10; Y10T; Y10T408/00; Y10T408/36; Y10T408/38; Y10T408/3822; Y10T408/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US521677A
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US1035547A
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US681476A
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US1121992A
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US1232779A
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US1681288A
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US1821543A
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US1867508A
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US1948507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |