Patent US1580854A successfully refreshed from Google Patents.
Patent DE862690C successfully refreshed from Google Patents.
DE862690C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Cooling air duct on the cylinder head of air-cooled internal combustion engines with an adjoining room
Assignee: Kloeckner Humboldt Deutz AG
•
Filing: 1943-10-19
•
Granted: 1953-01-12
•
Expires: 1963-10-19
Abstract
No abstract record available.
Inventors
- 👤 Otto Dr-Ing Cordier
- 👤 Anton Dr-Ing Pischinger
- 👤 Hans Dipl-Ing Rottenbacher
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 17:25
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F1/26; F02F1/28; F02F1/30; F02F1/32; F02B; F02B2275/00; F02B2275/16; F02B3/00; F02B3/06
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.