Patent US2432633A successfully refreshed from Google Patents.
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
2026-10-31 09:58
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US514990A
Cited
US521677A
Cited
US1035547A
Cited
US681476A
Cited
US1121992A
Cited
US1232779A
Cited
US1681288A
Cited
US1821543A
Cited
US1867508A
Cited
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 |