FR1139978A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Breathing apparatus for swimming underwater
Assignee: Arthur Martinez
•
Filing: 1956-01-04
•
Granted: 1957-07-09
•
Expires: 1976-01-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur Martinez
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-25 13:20
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/20; B63C11/205; B63C11/207; B63C11/12; B63C11/16
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.