US3427097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic mirror support system
Assignee: National Aeronautics and Space Administration
•
Filing: 1965-08-24
•
Granted: 1969-02-11
•
Expires: 1985-08-24
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:38
CPC Classifications
G; G02; G02B; G02B7/00; G02B7/18; G02B7/182; G02B7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736231A
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US1734284A
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DE1039252B
Cited
US2956761A
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US3121605A
Cited
US3154627A
Cited
US3063343A
Cited
US3261016A
Cited
US3339293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |