Patent US2596888A successfully refreshed from Google Patents.
US2596888A
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US
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Zipper and method of producing the same
Assignee: SAMUEL L COHN
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Filing: 1948-05-06
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Granted: 1952-05-13
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Expires: 1968-05-06
Abstract
No abstract record available.
Inventors
- 👤 Charles C Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:49
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/04; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2539; Y10T24/255; Y10T24/2554; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T29/49826; Y10T29/49885; Y10T29/49888; Y10T428/00; Y10T428/12; Y10T428/12188; Y10T428/12229; Y10T428/12264; Y10T428/12271; Y10T428/12493; Y10T428/12535; Y10T428/12611
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) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |