US2117353A
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Bobbin and method of making the same
Assignee: U S Bobbin & Shuttle Co
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Filing: 1937-02-10
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Granted: 1938-05-17
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Expires: 1957-02-10
Abstract
No abstract record available.
Inventors
- 👤 Carl P Park
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:54
CPC Classifications
B; B65; B65H; B65H63/00; B65H63/08; B65H63/086; B65H75/00; B65H75/02; B65H75/04; B65H75/08; B65H75/10; B65H75/105; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49922
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) | 1941-05-16 | 1941-11-15 | 1942-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-05-16 | 1945-11-15 | 1946-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-05-16 | 1949-11-15 | 1950-05-17 | $7700.00 | Window Closed / Lapsed |