Patent US2241933A successfully refreshed from Google Patents.
Patent US2546602A successfully refreshed from Google Patents.
US2546602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet with self-locking mandrel
Assignee: CHERRY RIVET Co
•
Filing: 1945-05-14
•
Granted: 1951-03-27
•
Expires: 1965-05-14
Abstract
No abstract record available.
Inventors
- 👤 Herbert J Keating
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:50
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1054
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR743881A
Cited
US877865A
Cited
US1423966A
Cited
US1847385A
Cited
FR724509A
Cited
US2061629A
Cited
US2114493A
Cited
GB472329A
Cited
US2372222A
Cited
US2371423A
Cited
US2384321A
Cited
US2501567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |