US2961594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System of regulation
Assignee: McGraw Edison Co
•
Filing: 1957-07-15
•
Granted: 1960-11-22
•
Expires: 1977-07-15
Abstract
No abstract record available.
Inventors
- 👤 Scarborough Henry G Mah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:02
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/12; G05F1/32; G05F1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2079500A
Cited
US2675515A
Cited
US2511219A
Cited
US2766382A
Cited
US2868896A
Cited
US2771576A
Cited
US2830250A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |