US3535130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intumescent paints
Assignee: National Aeronautics and Space Administration
•
Filing: 1968-02-09
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Granted: 1970-10-20
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Expires: 1988-02-09
Abstract
No abstract record available.
Inventors
- 👤 John A Parker
- 👤 George M Fohlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:15
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D5/185; C09D101/00; C09D101/08; C09D101/16; C09D101/18; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
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) | 1973-10-19 | 1974-04-20 | 1974-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-19 | 1978-04-20 | 1978-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-19 | 1982-04-20 | 1982-10-20 | $7700.00 | Window Closed / Lapsed |