FR1122901A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to diaphragm pumps
Assignee: Henri-Jean-Alexis Carlus
•
Filing: 1955-04-22
•
Granted: 1956-09-14
•
Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
- 👤 Henri-Jean-Alexis Carlus
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 07:29
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/02; F04B43/06; F04B43/067
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.