FR873944A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for adjusting the pressure prevailing in gas-filled bodies, in particular in rigid aerostats or balloons fitted with balloons
Assignee: AUGUST STELLING
•
Filing: 1941-05-19
•
Granted: 1942-07-23
•
Expires: 1961-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 19:42
CPC Classifications
B; B64; B64B; B64B1/00; B64B1/58; B64B1/62
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.