US2636237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shoelace fastener
Assignee: Individual
•
Filing: 1951-04-02
•
Granted: 1953-04-28
•
Expires: 1971-04-02
Abstract
No abstract record available.
Inventors
- 👤 Nathaniel W Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:14
CPC Classifications
A; A43; A43C; A43C7/00; Y; Y10; Y10T; Y10T24/00; Y10T24/37; Y10T24/3703; Y10T24/3705; Y10T24/3708; Y10T24/3713; Y10T24/3718; Y10T24/39; Y10T24/3916; Y10T24/3929; Y10T24/3933
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US264302A
Cited
US874161A
Cited
US1001079A
Cited
US1048051A
Cited
US1050716A
Cited
US1773954A
Cited
US1756356A
Cited
US2117322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-27 | 1956-10-27 | 1957-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-27 | 1960-10-27 | 1961-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-27 | 1964-10-27 | 1965-04-28 | $7700.00 | Window Closed / Lapsed |