Patent US2191689A successfully refreshed from Google Patents.
US2191689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening means
Assignee: ALBERT H TINNERMAN
•
Filing: 1937-09-22
•
Granted: 1940-02-27
•
Expires: 1957-09-22
Abstract
No abstract record available.
Inventors
- 👤 George A Tinnerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:54
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; Y; Y10; Y10S; Y10S411/00; Y10S411/918
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1943-02-26 | 1943-08-28 | 1944-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-26 | 1947-08-28 | 1948-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-26 | 1951-08-28 | 1952-02-27 | $7700.00 | Window Closed / Lapsed |