US3513246A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analog computer
Assignee: Singer General Precision Inc
•
Filing: 1967-04-24
•
Granted: 1970-05-19
•
Expires: 1987-04-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen R Fisch
- 👤 Lynn A Staples
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:30
CPC Classifications
G; G09; G09B; G09B9/00; G09B9/02; G09B9/08; G09B9/16; G09B9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2701922A
Cited
US2842867A
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US2858623A
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US2882615A
Cited
US3035354A
Cited
US3167649A
Cited
US3295362A
Cited
US3208065A
Cited
US3396267A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |