US2764039A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for machines
Assignee: Individual
•
Filing: 1953-01-29
•
Granted: 1956-09-25
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Black Leon Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:27
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; Y; Y10; Y10S; Y10S82/00; Y10S82/903; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T74/00; Y10T74/19; Y10T74/19023; Y10T74/19074
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1849462A
Cited
US2423440A
Cited
US2368151A
Cited
US2484968A
Cited
US2628539A
Cited
US2475245A
Cited
GB672853A
Cited
US2622454A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |