US2460722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener
Assignee: Individual
•
Filing: 1946-07-17
•
Granted: 1949-02-01
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 David H Waara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:48
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/12; F16B5/123; F16B5/125; F16B5/128; Y; Y10; Y10T; Y10T24/00; Y10T24/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1860250A
Cited
US2137542A
Cited
GB472532A
Cited
US2166916A
Cited
US2168721A
Cited
US2302585A
Cited
US2315211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |