Patent DE906633C successfully refreshed from Google Patents.
DE906633C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mixture intake double piston two-stroke engine with air displacement
Assignee: HELMUT WERNER BOENSCH
•
Filing: 1951-12-23
•
Granted: 1954-03-15
•
Expires: 1971-12-23
Abstract
No abstract record available.
Inventors
- 👤 Helmut Werner Boensch
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 18:53
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/104; F02M35/116; F02M35/1165; F02B; F02B75/00; F02B75/28; F02B75/282; F02M35/1015; F02M35/1019; F02M35/10242; F02M35/10288; F02B75/02; F02B2075/022; F02B2075/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
FR530687A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.