US3040222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servosystem adapted for angular measurement
Assignee: North American Aviation Corp
•
Filing: 1955-10-28
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Granted: 1962-06-19
•
Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Walden H Kunz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:11
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/42; G01P3/44; G01P3/48; G01P3/481; G01P3/486; G01D; G01D5/00; G01D5/12; G01D5/244; G05; G05D; G05D3/00; G05D3/12; G05D3/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |