US1678335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shaft
Assignee: MALL TOOL Co
•
Filing: 1927-02-28
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Granted: 1928-07-24
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Expires: 1947-02-28
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:26
CPC Classifications
F; F16; F16C; F16C1/00; F16C1/26; F16C1/262; F16C1/02; F16C1/06; F16C1/267; F16C2322/00; F16C2322/50
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) | 1931-07-24 | 1932-01-23 | 1932-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-24 | 1936-01-23 | 1936-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-24 | 1940-01-23 | 1940-07-24 | $7700.00 | Window Closed / Lapsed |