Patent US2977033A successfully refreshed from Google Patents.
US2977033A
Expired / Lapsed
US
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Thread holding and cutting device
Assignee: DORIS W TRIPLETT
•
Filing: 1958-03-31
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Granted: 1961-03-28
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Expires: 1978-03-31
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:45
CPC Classifications
A; A47; A47F; A47F13/00; A47F13/04; A47F13/045; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/238; Y10T225/252; Y10T225/298
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US649180A
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FR603290A
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US2515509A
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US2501515A
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US2646908A
Cited
US2711294A
Cited
US2630981A
Cited
US2673669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |