US2074368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making slide fasteners
Assignee: Hookless Fastener Co
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Filing: 1932-12-05
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Granted: 1937-03-23
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Expires: 1952-12-05
Abstract
No abstract record available.
Inventors
- 👤 George H C Corner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:33
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/46; B21D53/50; B21D53/52; A; A44; A44B; A44B19/00; A44B19/42; B29; B29D; B29D5/00
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) | 1940-03-22 | 1940-09-21 | 1941-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-03-22 | 1944-09-21 | 1945-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-03-22 | 1948-09-21 | 1949-03-23 | $7700.00 | Window Closed / Lapsed |