Patent GB446404A successfully refreshed from Google Patents.
US3366929A
Expired / Lapsed
US
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Computing system embodying flexible subroutine capabilities
Assignee: International Business Machines Corp
•
Filing: 1964-12-30
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Granted: 1968-01-30
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Alvin P Mullery
- 👤 Robert H Riekert
- 👤 Ralph F Schauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:39
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/44; G06F9/448; G06F9/4482; G06F9/4484; G06F9/4486
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3293616A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |