Patent US1417860A successfully refreshed from Google Patents.
Patent DE884176C successfully refreshed from Google Patents.
DE884176C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Digester gas developer and method for its operation
Assignee: Individual
•
Filing: 1951-08-21
•
Granted: 1953-07-23
•
Expires: 1971-08-21
Abstract
No abstract record available.
Inventors
- 👤 Karl Ludwig Lanninger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 18:55
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; C12; C12M; C12M21/00; C12M21/04; C12M23/00; C12M23/44; C12M23/52; C12M27/00; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/33
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.