US2441854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversing mechanism
Assignee: Individual
•
Filing: 1946-08-09
•
Granted: 1948-05-18
•
Expires: 1966-08-09
Abstract
No abstract record available.
Inventors
- 👤 Frank H Stolp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:26
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/027; F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18088; Y10T74/18128
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) | 1951-05-18 | 1951-11-17 | 1952-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-18 | 1955-11-17 | 1956-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-18 | 1959-11-17 | 1960-05-18 | $7700.00 | Window Closed / Lapsed |