US3262433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two stroke cycle internal combustion engine
Assignee: Individual
•
Filing: 1963-10-07
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Granted: 1966-07-26
•
Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Edgar R Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:18
CPC Classifications
F; F02; F02F; F02F7/00; F02F7/0002; F02F7/0004; F02F7/0021; F02F7/0039; F02M; F02M3/00; Y; Y10; Y10S; Y10S261/00; Y10S261/50; Y10S261/68
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
95 words
IN AN INTERNAL COMBUSTION ENGINE: A CRANKSHAFT, A CYLINDER HOUSING CASTING HAVING A JOINING SURFACE ON THE CENTER LINE OF SAID CRANKSHAFT, A CRANKCASE CASTING HAVING A JOINING SURFACE FOR ABUTMENT WITH SAID JOINING SURFACE OF SAID CYLINDER HOUSING CASTING, ONE OF SAID CASTINGS AND SAID CRANKSHAFT HAVING MATCHING SURFACES OF REVOLUTION WHICH ARE IN SLIDING SEALING ENGAGEMENT AND WHICH CONTAIN COOPERATING VALVE PORTS, SAID ONE OF SAID CASTINGS HAVING A CAST INTAKE VENTURI PASSAGE THAT EXTENDS AWAY FROM SAID SURFACE OF REVOLUTION OF SAID ONE OF SAID CASTINGS AND COMMUNICATES WITH ITS VALVE PORT.
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |