Patent US2396933A successfully refreshed from Google Patents.
US2396933A
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Apparatus for manufacturing slide fasteners
Assignee: UNIVERSAL SLIDE FASTENER CO IN
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Filing: 1942-03-26
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Granted: 1946-03-19
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Expires: 1962-03-26
Abstract
No abstract record available.
Inventors
- 👤 Voity Maurice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:37
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; Y; Y10; Y10S; Y10S83/00; Y10S83/921; Y10T; Y10T29/00; Y10T29/49; Y10T29/49782; Y10T29/49785; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/217; Y10T83/444; Y10T83/463; Y10T83/4635; Y10T83/566; Y10T83/5669
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-18 | 1949-09-17 | 1950-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-18 | 1953-09-17 | 1954-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-18 | 1957-09-17 | 1958-03-19 | $7700.00 | Window Closed / Lapsed |