US2566843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable crank device
Assignee: Individual
•
Filing: 1950-03-22
•
Granted: 1951-09-04
•
Expires: 1970-03-22
Abstract
No abstract record available.
Inventors
- 👤 Robert I Lappin
- 👤 Zaiger Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:54
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/16; B60S1/18; B60S1/24; F; F16; F16C; F16C3/00; F16C3/04; F16C3/22; F16C3/28; F16C2326/00; F16C2326/01; F16C2326/09; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2173; Y10T74/2179
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |