US2983265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for increasing the power output of naturally aspirated internal combustion engines
Assignee: ENTERPRISE DIVISION OF GENERAL METALS Corp
•
Filing: 1955-02-15
•
Granted: 1961-05-09
•
Expires: 1975-02-15
Abstract
No abstract record available.
Inventors
- 👤 Bruce A Robbins
- 👤 Alfred R Fleischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:17
CPC Classifications
F; F02; F02B; F02B29/00; F02B29/04; F02B29/0493; F02B29/0406; F02B29/0437; F02B29/0443; 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)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |