US1921235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocating movement
Assignee: Individual
•
Filing: 1932-10-28
•
Granted: 1933-08-08
•
Expires: 1952-10-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:36
CPC Classifications
F; F16; F16H; F16H25/00; F16H25/08; F16H25/12; F16H25/122; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/21; Y10T74/2101; Y10T74/2107
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) | 1936-08-07 | 1937-02-06 | 1937-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-08-07 | 1941-02-06 | 1941-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-08-07 | 1945-02-06 | 1945-08-08 | $7700.00 | Window Closed / Lapsed |