FR459089A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New two-stroke, single-acting gas engine system
Assignee: PAUL BERTHIER
•
Filing: 1913-06-11
•
Granted: 1913-10-25
•
Expires: 1933-06-11
Abstract
No abstract record available.
Inventors
- 👤 Paul Berthier
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 11:44
CPC Classifications
F; F02; F02B; F02B25/00; F02B2720/00; F02B2720/13; F02B2720/131
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.