US2670906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for winding and reeling
Assignee: Engineering Research Associates Inc
•
Filing: 1950-07-19
•
Granted: 1954-03-02
•
Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Howard L Daniels
- 👤 John W Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:46
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/43; G11B15/46; G11B15/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848663A
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US2214355A
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US2325381A
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US2292511A
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US2363684A
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US2469706A
Cited
US2512378A
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US2474620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |