US2918787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine supercharging apparatus
Assignee: Garrett Corp
•
Filing: 1955-09-19
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Granted: 1959-12-29
•
Expires: 1975-09-19
Abstract
No abstract record available.
Inventors
- 👤 Helmut R Schelp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:26
CPC Classifications
F; F02; F02B; F02B29/00; F02B29/04; F02B29/045; F02B29/0475; F02B29/0406; F02B29/0425; F02B37/00; F02B37/005; F02B37/12; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1410726A
Cited
GB231156A
Cited
GB467423A
Cited
US2518660A
Cited
US2474018A
Cited
US2571256A
Cited
US2558797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-28 | 1963-06-29 | 1963-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-28 | 1967-06-29 | 1967-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-28 | 1971-06-29 | 1971-12-29 | $7700.00 | Window Closed / Lapsed |