Patent US2979796A successfully refreshed from Google Patents.
US2979796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wear resistant surface covered separable fasteners
Assignee: Coats and Clark Inc
•
Filing: 1958-04-21
•
Granted: 1961-04-18
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Louis H Morin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:32
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/40; A44B19/403; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/255; Y10T24/2552; Y10T24/2557; Y10T24/2559; Y10T24/2561; Y10T24/2582; Y10T24/2584
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2321926A
Cited
US2392934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-17 | 1964-10-17 | 1965-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-17 | 1968-10-17 | 1969-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-17 | 1972-10-17 | 1973-04-18 | $7700.00 | Window Closed / Lapsed |