US3501683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental motion drive system
Assignee: National Aeronautics and Space Administration
•
Filing: 1967-05-17
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Granted: 1970-03-17
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Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 John H Morecroft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/28; G01J3/45; G01J3/453; G01J3/4535; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/18; G05D3/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3104349A
Cited
US3188546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |