Patent DE500992C successfully refreshed from Google Patents.
DE500992C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Shut-off device for gas pipes
Assignee: STRELOW AKT GES
•
Filing: —
•
Granted: 1930-06-28
•
Expires: 1947-06-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 20:41
CPC Classifications
F; F16; F16K; F16K5/00; F16K5/02; F16K5/0214
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.