US2906400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Record controlled machine
Assignee: International Business Machines Corp
•
Filing: 1951-12-21
•
Granted: 1959-09-29
•
Expires: 1971-12-21
Abstract
No abstract record available.
Inventors
- 👤 Delmar C Newcomb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
G; G06; G06K; G06K13/00; G06K13/02; G06K13/08; G06K13/10; G06K13/103
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1667837A
Cited
US1830756A
Cited
US2123237A
Cited
US2165251A
Cited
US2624273A
Cited
US2708514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |