Patent US2732817A successfully refreshed from Google Patents.
US393065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible shaft
Assignee: —
•
Filing: —
•
Granted: 1888-11-20
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Expires: 1905-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:28
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/72; F16C; F16C1/00; F16C1/02; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
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) | 1891-11-20 | 1892-05-21 | 1892-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-11-20 | 1896-05-21 | 1896-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-11-20 | 1900-05-22 | 1900-11-21 | $7700.00 | Window Closed / Lapsed |