US2593416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic reversing mechanism
Assignee: Unisys Corp
•
Filing: 1949-07-07
•
Granted: 1952-04-22
•
Expires: 1969-07-07
Abstract
No abstract record available.
Inventors
- 👤 Dawson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:16
CPC Classifications
F; F16; F16H; F16H3/00; F16H2712/00; F16H2712/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1515; Y10T74/18; Y10T74/1804; Y10T74/19; Y10T74/19191; Y10T74/19205; Y10T74/1921; Y10T74/19219; Y10T74/19284; Y10T74/19377; Y10T74/19414; Y10T74/19484; Y10T74/19488; Y10T74/1956; Y10T74/1987; Y10T74/19879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US352862A
Cited
US1873531A
Cited
US2408067A
Cited
US2123298A
Cited
US2258475A
Cited
US2536897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |