DE384599C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Piston lubrication for hot air machines
Assignee: Individual
•
Filing: 1922-09-10
•
Granted: 1923-11-19
•
Expires: 1942-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 23:21
CPC Classifications
F; F02; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/053; F02G1/0535; F02G2243/00; F02G2243/02; F02G2243/04; F02G2243/08; F02G2253/00; F02G2253/60
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.