FR1086280A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to fuel systems
Assignee: Walter Spillmann
•
Filing: 1953-04-16
•
Granted: 1955-02-10
•
Expires: 1973-04-16
Abstract
No abstract record available.
Inventors
- 👤 Walter Spillmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 23:36
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/14; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
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.