US2770145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Function unit
Assignee: Individual
•
Filing: 1954-04-13
•
Granted: 1956-11-13
•
Expires: 1974-04-13
Abstract
No abstract record available.
Inventors
- 👤 George R Stibitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:35
CPC Classifications
F; F16; F16H; F16H35/00; F16H35/16; G; G06; G06G; G06G3/00; Y; Y10; Y10S; Y10S475/00; Y10S475/904; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T74/00; Y10T74/19; Y10T74/19555; Y10T74/1987; Y10T74/19879; Y10T74/21; Y10T74/2101; Y10T74/22
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) | 1959-11-13 | 1960-05-14 | 1960-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-13 | 1964-05-14 | 1964-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-13 | 1968-05-14 | 1968-11-13 | $7700.00 | Window Closed / Lapsed |