FR885831A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Control device for reciprocating piston pump or compressor
Assignee: Henri Lefftz
•
Filing: 1942-05-15
•
Granted: 1943-09-27
•
Expires: 1962-05-15
Abstract
No abstract record available.
Inventors
- 👤 Henri Lefftz
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 16:31
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/12; F04B1/14; F04B1/16; F04B1/141; F04B1/146
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.