Patent US4871358A successfully refreshed from Google Patents.
Patent US2547437A successfully refreshed from Google Patents.
US2547437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive rivet firing device
Assignee: Easy Washing Machine Corp
•
Filing: 1947-08-22
•
Granted: 1951-04-03
•
Expires: 1967-08-22
Abstract
No abstract record available.
Inventors
- 👤 Vernon M Bunts
- 👤 Henry C Holbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:51
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/12; F16B19/125; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/5377; Y10T29/53774
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US399387A
Cited
US863247A
Cited
US1127970A
Cited
US1061376A
Cited
US1189581A
Cited
US1140136A
Cited
US1679518A
Cited
US2411859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |