FR1407682A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to thermal machines with free pistons
Assignee: Safran Aircraft Engines SAS
•
Filing: 1964-05-22
•
Granted: 1965-08-06
•
Expires: 1984-05-22
Abstract
No abstract record available.
Inventors
- 👤 Pierre Joseph Ferdi Barthelemy
- 👤 Mathias Barthelemy Juan
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 05:12
CPC Classifications
F; F25; F25B; F25B9/00; F25B9/14; F01; F01B; F01B11/00; F01B11/001; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/0435; H; H02; H02K; H02K35/00; H02K35/02; F02G2244/00; F02G2244/50; F02G2280/00; F02G2280/10
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.