Patent US2037727A successfully refreshed from Google Patents.
US2037727A
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US
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Fastening
Assignee: United Shoe Machinery Corp
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Filing: 1934-12-27
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Granted: 1936-04-21
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Expires: 1954-12-27
Abstract
No abstract record available.
Inventors
- 👤 Chapelle Fred N La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:38
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/02; A; A43; A43B; A43B23/00; A43B23/20; Y; Y10; Y10S; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/92
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) | 1939-04-21 | 1939-10-21 | 1940-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-21 | 1943-10-21 | 1944-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-21 | 1947-10-21 | 1948-04-21 | $7700.00 | Window Closed / Lapsed |