US2916210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for selectively modifying program information
Assignee: Unisys Corp
•
Filing: 1954-07-30
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Granted: 1959-12-08
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Expires: 1974-07-30
Abstract
No abstract record available.
Inventors
- 👤 Ernst S Selmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:17
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/32; G06F9/321
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) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |