Patent US3526944A successfully refreshed from Google Patents.
US3526944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clip supplying and clinching tool
Assignee: MICHAEL A CHERUP
•
Filing: 1967-06-21
•
Granted: 1970-09-08
•
Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Michael A Cherup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:45
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/146; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53478; Y10T29/53487; Y10T29/53513; Y10T29/53709; Y10T29/53787
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-07 | 1974-03-09 | 1974-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-07 | 1978-03-09 | 1978-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-07 | 1982-03-09 | 1982-09-08 | $7700.00 | Window Closed / Lapsed |