Patent FR624378A successfully refreshed from Google Patents.
Patent US2405897A successfully refreshed from Google Patents.
US2405897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rivet
Assignee: Individual
•
Filing: 1943-03-31
•
Granted: 1946-08-13
•
Expires: 1963-03-31
Abstract
No abstract record available.
Inventors
- 👤 Milone Samuel
- 👤 Charles W Rothfeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:49
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49972; Y10T29/53; Y10T29/53709; Y10T29/53717; Y10T29/53726; Y10T29/5373; Y10T29/53735
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-08-12 | 1950-02-11 | 1950-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-08-12 | 1954-02-11 | 1954-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-08-12 | 1958-02-11 | 1958-08-13 | $7700.00 | Window Closed / Lapsed |