FR634077A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to pneumatic and hydraulic devices
Assignee: Sydney Eales Hales
•
Filing: 1927-05-09
•
Granted: 1928-02-09
•
Expires: 1947-05-09
Abstract
No abstract record available.
Inventors
- 👤 Sydney Eales Hales
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 14:21
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/08; B60G15/12; B60G17/00; B60G17/02; B60G17/04
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.