US2958826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed electronic integrator
Assignee: Martin Co
•
Filing: 1956-03-19
•
Granted: 1960-11-01
•
Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Warren A Birge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:01
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2206123A
Cited
US2282340A
Cited
US2452683A
Cited
US2519763A
Cited
US2551407A
Cited
FR1032174A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |