DE901011C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Internal combustion engine
Assignee: Siemens Corp
•
Filing: 1952-05-30
•
Granted: 1954-01-07
•
Expires: 1972-05-30
Abstract
No abstract record available.
Inventors
- 👤 Dr Phil Paul Wenk
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 09:10
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/022; F02M25/0228; B; B01; B01F; B01F31/00; B01F31/80; B01F31/83; B01F31/831; F02M25/0221; F02M25/0225; F02M27/00; F02M27/08; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.