Patent US2942801A successfully refreshed from Google Patents.
US2942801A
Expired / Lapsed
US
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Bobbin
Assignee: Larson Tool & Stamping Co
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Filing: 1957-10-28
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Granted: 1960-06-28
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Carl W Cederberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/18; B65H2701/00; B65H2701/30; B65H2701/31; B65H2701/50; B65H2701/51; B65H2701/511; B65H2701/5114; B65H2701/53; B65H2701/534
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1646198A
Cited
US1949291A
Cited
US2096126A
Cited
US2377919A
Cited
US2633729A
Cited
US2834507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |