US2487428A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook retaining device
Assignee: Individual
•
Filing: 1946-06-10
•
Granted: 1949-11-08
•
Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Homer C Earnest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:11
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; Y; Y10; Y10T; Y10T292/00; Y10T292/68; Y10T292/696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |