US2936501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastening device
Assignee: Individual
•
Filing: 1954-10-13
•
Granted: 1960-05-17
•
Expires: 1974-10-13
Abstract
No abstract record available.
Inventors
- 👤 Harold E Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:29
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10; E; E04; E04C; E04C3/00; E04C3/02; E04C3/04; E04C3/08; E04C3/30; E04C3/32; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/971; Y10S411/999
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2095271A
Cited
FR861512A
Cited
US2374679A
Cited
US2477178A
Cited
US2486670A
Cited
US2552779A
Cited
US2479992A
Cited
US2662260A
Cited
US2640244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |