Patent FR72694E successfully refreshed from Google Patents.
FR72694E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Valve
Assignee: Georges Bourquin
•
Filing: 1957-12-30
•
Granted: 1960-04-22
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
- 👤 Georges Bourquin
- 👤 Jean-Pierre Bourquin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 15:52
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/02; F16K31/06; F16K31/0686; F16K31/0693; F16K31/12; F16K31/36; F16K31/38; F16K31/385; F16K31/40; F16K31/402; F16K41/00; F16K41/10; F16K41/12
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.