US2991616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supercharged intercooled two stroke cycle engine with compression control valve
Assignee: Individual
•
Filing: 1953-12-16
•
Granted: 1961-07-11
•
Expires: 1973-12-16
Abstract
No abstract record available.
Inventors
- 👤 Miller Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:05
CPC Classifications
F; F02; F02B; F02B41/00; F02B41/02; F02B41/04; F02D; F02D13/00; F02D13/02; F02D13/0269; F02D13/0276; F02D13/028; F02D13/0284; F02B75/00; F02B75/02; F02B2075/022; F02B2075/025; F02B2275/00; F02B2275/32; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1330496A
Cited
US1046738A
Cited
US981952A
Cited
US1100975A
Cited
US1371444A
Cited
GB420032A
Cited
US2097883A
Cited
FR818526A
Cited
US2292233A
Cited
US2293548A
Cited
US2306950A
Cited
GB566531A
Cited
US2431563A
Cited
US2565681A
Cited
US2509246A
Cited
US2670595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |