US3389553A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined system for aircraft engine and cabin supercharging
Assignee: Garrett Corp
•
Filing: 1966-03-07
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Granted: 1968-06-25
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Expires: 1986-03-07
Abstract
No abstract record available.
Inventors
- 👤 James A Hardy
- 👤 Robert L Cholvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:16
CPC Classifications
F; F02; F02C; F02C6/00; F02C6/04; B; B64; B64D; B64D13/00; B64D13/02; B64D13/04; F02B; F02B37/00; F02B37/12; F02B37/16; F02B37/164; F02B37/18; F02B37/183; F02B37/186; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y02T50/00; Y02T50/40; Y02T50/60
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |