US3012467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spectrum analyzer
Assignee: Servo Corp of America
•
Filing: 1957-06-25
•
Granted: 1961-12-12
•
Expires: 1977-06-25
Abstract
No abstract record available.
Inventors
- 👤 Adolph H Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:35
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/12; G01J3/1256; G01J3/28; G01J3/42; G01J3/433; G01J3/457; G01J1/00; G01J1/42; G01J2001/4242; G01J3/02; G01J3/0205; G01J3/0213; G01J3/0264
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2240722A
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US2308360A
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US2444560A
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US2513520A
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US2597001A
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US2623942A
Cited
US2622470A
Cited
US2650307A
Cited
US2602368A
Cited
US2690093A
Cited
US2723589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |