US3087473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine
Assignee: Curtiss Wright Corp
•
Filing: 1960-11-25
•
Granted: 1963-04-30
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Lionel D Thompson
- 👤 Ernest A Tsakiris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:35
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F02F1/16; F01; F01L; F01L1/00; F01L1/02; F01L1/04; F01L1/047; F01L1/053; F01L1/0532; F01P; F01P3/00; F01P3/12; F02B; F02B19/00; F02B19/14; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02F1/24; F02F1/26; F02F1/36; F02F1/40; F02F7/00; F02F7/0065; F02F7/008; F02B2075/1804; F02B2075/1848; F02B2275/00; F02B2275/16; F02B2275/18; F02B3/00; F02B3/06; F02F2001/244; F02F2001/247; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |