US2871537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener for laced closures
Assignee: Individual
•
Filing: 1957-01-09
•
Granted: 1959-02-03
•
Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Hickerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:12
CPC Classifications
A; A43; A43B; A43B23/00; A43B23/24; A43B1/00; A43B1/0072; A43B3/00; A43B3/0036; A43B3/0078; A43C; A43C7/00; A43C7/005; A43C7/04; Y; Y10; Y10T; Y10T24/00; Y10T24/37; Y10T24/3703; Y10T24/3705
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) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |