US3415157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alignment control apparatus
Assignee: Northrop Grumman Guidance and Electronics Co Inc
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Filing: 1967-05-11
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Granted: 1968-12-10
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Expires: 1987-05-11
Abstract
No abstract record available.
Inventors
- 👤 Robert G Marchisio
- 👤 Hennessy Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:48
CPC Classifications
F; F41; F41G; F41G3/00; F41G3/32; F41G3/323; F41G5/00; F41G5/14; F41G5/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |