US2915798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tab lock for slide-fasteners
Assignee: Individual
•
Filing: 1956-12-14
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Granted: 1959-12-08
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Expires: 1976-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jr Chester H Hewitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:21
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/26; A44B19/30; A44B19/301; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2511; Y10T24/2596; Y10T24/2598
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |