US2492703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Division mechanism for key-respon
Assignee: —
•
Filing: —
•
Granted: 1949-12-27
•
Expires: 1966-12-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:04
CPC Classifications
G; G06; G06C; G06C7/00; G06C7/02; G06C7/06; G06C21/00; G06C21/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1845164A
Cited
US2108896A
Cited
US2241102A
Cited
US2287151A
Cited
US2304329A
Cited
US2410823A
Cited
US1909714A
Cited
US2088434A
Cited
US2279054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |