Patent US2919798A successfully refreshed from Google Patents.
FR412115A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to waterproof caps for mine bits
Assignee: Individual
•
Filing: 1910-02-01
•
Granted: 1910-07-04
•
Expires: 1930-02-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas Marion Daniels
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 21:49
CPC Classifications
C; C06; C06C; C06C5/00; C06C5/06
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.