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US2615224A
Expired / Lapsed
US
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Watertight slide fastener closure
Assignee: Waldes Kohinoor Inc
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Filing: 1950-05-25
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Granted: 1952-10-28
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Expires: 1970-05-25
Abstract
No abstract record available.
Inventors
- 👤 Shur Ira
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:02
CPC Classifications
A; A44; A44B; A44B19/00; A44B19/24; A44B19/32; Y; Y10; Y10T; Y10T24/00; Y10T24/25; Y10T24/2502; Y10T24/2505
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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |