Patent US3747056A successfully refreshed from Google Patents.
Patent US3065940A successfully refreshed from Google Patents.
US3065940A
Expired / Lapsed
US
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Aircraft outer surface covering
Assignee: Individual
•
Filing: 1956-06-22
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Granted: 1962-11-27
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Expires: 1976-06-22
Abstract
No abstract record available.
Inventors
- 👤 Emil L Eckstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:25
CPC Classifications
B; B64; B64C; B64C3/00; B64C3/26; B64C21/00; Y; Y02; Y02T; Y02T50/00; Y02T50/10
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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |