US2941270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Permanently locking snap fastener
Assignee: Precision Dynamics Corp
•
Filing: 1958-07-10
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Granted: 1960-06-21
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Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Donald A Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:12
CPC Classifications
A; A44; A44B; A44B17/00; A44B17/0064; A44B17/0088; A44B17/0052; Y; Y10; Y10T; Y10T24/00; Y10T24/50; Y10T292/00; Y10T292/48; Y10T292/4945; Y10T292/495
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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |