GB190839A
Expired / Lapsed
GB
⏱️ 0.0 years remaining
Improvements in internal combustion engines
Assignee: HAROLD LEIGH
•
Filing: 1921-10-15
•
Granted: —
•
Expires: 1941-10-15
Abstract
Abstract 190,839. Leigh, H., and Hobson, S. Oct. 15, 1921. Two-stroke-cycle engines.-Oppositely moving pistons 3, 4 compress in separate crank-cases 9, and deliver the mixture through separate transfer passages 8. Two exhaust ports 6 are placed opposite the cylinder admission ports, and there are separate admission ports 7 to the crank cases.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
GB
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
F; F01; F01B; F01B7/00; F01B7/02; F01B7/14; F02; F02B; F02B75/00; F02B75/28
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.