Patent FR2389736A1 successfully refreshed from Google Patents.
Patent US2957204A successfully refreshed from Google Patents.
US2957204A
Expired / Lapsed
US
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Method of manufacture of slide fasteners
Assignee: Conmar Products Corp
•
Filing: 1953-05-12
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Granted: 1960-10-25
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Expires: 1973-05-12
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Gobeil
- 👤 Arkowitz Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:41
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/34; Y; Y10; Y10S; Y10S264/00; Y10S264/66; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-25 | 1964-04-25 | 1964-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-25 | 1968-04-25 | 1968-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-25 | 1972-04-25 | 1972-10-25 | $7700.00 | Window Closed / Lapsed |