Patent US3070786A successfully refreshed from Google Patents.
US3070786A
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Drift compensating circuits
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1958-08-21
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Granted: 1962-12-25
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Expires: 1978-08-21
Abstract
No abstract record available.
Inventors
- 👤 Robert M Macintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:59
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/30; H03F1/303; H03M; H03M1/00; H03M1/06; H03M1/0602; H03M1/0604; H03M1/0607; H03M1/10; H03M1/1009; H03M1/1033; H03M1/1038; H03M1/1047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2685000A
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US2810023A
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US2836356A
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US2784396A
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US2877308A
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US2846586A
Cited
US2866019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |