US3000481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helical coil type clutches
Assignee: Curtiss Wright Corp
•
Filing: 1958-04-23
•
Granted: 1961-09-19
•
Expires: 1978-04-23
Abstract
No abstract record available.
Inventors
- 👤 Donald M Tomko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:28
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/02; F16D13/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1641418A
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US2098021A
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US2242379A
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US2302312A
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US2575012A
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US2660899A
Cited
US2643750A
Cited
US2685949A
Cited
US2829748A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |