US2928076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic computers
Assignee: MARCHANT RES Inc
•
Filing: 1956-10-09
•
Granted: 1960-03-08
•
Expires: 1976-10-09
Abstract
No abstract record available.
Inventors
- 👤 George B Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:26
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G11; G11B; G11B5/00; G11B5/012; G11B19/00; G11B19/02; G11B5/02; G11B5/09; G11B2220/00; G11B2220/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2587532A
Cited
US2609439A
Cited
US2714843A
Cited
US2680239A
Cited
BE526058A
Cited
FR1096400A
Cited
US2797402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |