Patent US3041008A successfully refreshed from Google Patents.
US3041008A
Expired / Lapsed
US
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Thread tension device for sewing machines
Assignee: Singer Co
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Filing: 1958-12-23
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Granted: 1962-06-26
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Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 George A Oehlschlager
- 👤 Jr Arthur S Meloy
- 👤 William C Van Ness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:55
CPC Classifications
D; D05; D05B; D05B47/00; B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/22; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US93459A
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US651219A
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US2315357A
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US2360660A
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US2481096A
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US2714494A
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US2810532A
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US2764367A
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US2937605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-25 | 1965-12-25 | 1966-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-25 | 1969-12-25 | 1970-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-25 | 1973-12-25 | 1974-06-26 | $7700.00 | Window Closed / Lapsed |