US2961892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission device
Assignee: LE TOURNEAU WESTINGHOUSE COMPA
•
Filing: 1958-06-16
•
Granted: 1960-11-29
•
Expires: 1978-06-16
Abstract
No abstract record available.
Inventors
- 👤 Ernst W Spannhake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:19
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/14; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/121; F16F15/124
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1716284A
Cited
US1804121A
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US1861390A
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US1925278A
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US1965742A
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US1984577A
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US1982658A
Cited
GB513914A
Cited
US2261019A
Cited
US2333122A
Cited
US2450701A
Cited
US2680377A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |