US2396498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impact clutch
Assignee: Aro Equipment Corp
•
Filing: 1943-06-29
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Granted: 1946-03-12
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Expires: 1963-06-29
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Fitch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:41
CPC Classifications
B; B25; B25B; B25B21/00; B25B21/02; B25B21/026; F; F16; F16D; F16D7/00; F16D7/04; F16D7/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-03-11 | 1949-09-10 | 1950-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-03-11 | 1953-09-10 | 1954-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-03-11 | 1957-09-10 | 1958-03-12 | $7700.00 | Window Closed / Lapsed |