US2737963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control systems
Assignee: Elsag Bailey Inc
•
Filing: 1952-05-22
•
Granted: 1956-03-13
•
Expires: 1972-05-22
Abstract
No abstract record available.
Inventors
- 👤 Harvard H Gorrie
- 👤 Jack F Shannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:13
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/44; G05B11/48; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20092E
Cited
US1992048A
Cited
US2009711A
Cited
GB562645A
Cited
US2461026A
Cited
US2593129A
Cited
US2507606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-13 | 1959-09-12 | 1960-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-13 | 1963-09-12 | 1964-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-13 | 1967-09-12 | 1968-03-13 | $7700.00 | Window Closed / Lapsed |