US3392864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulation system
Assignee: National Aeronautics and Space Administration
•
Filing: 1965-02-03
•
Granted: 1968-07-16
•
Expires: 1985-02-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Porter J Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:43
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/001; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/06; F17C2203/0634; F17C2203/0658; F17C2203/066; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; Y; Y10; Y10S; Y10S220/00; Y10S220/901
Claims Analysis
Total Claims: 0
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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) | 1971-07-16 | 1972-01-15 | 1972-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-16 | 1976-01-15 | 1976-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-16 | 1980-01-15 | 1980-07-16 | $7700.00 | Window Closed / Lapsed |