Patent US4617781A successfully refreshed from Google Patents.
Patent DE104387C successfully refreshed from Google Patents.
DE104387C
Active / In Force
DE
DE104387C - - Google Patents
Assignee: —
•
Filing: —
•
Granted: —
•
Expires: —
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 19:10
CPC Classifications
F; F24; F24D; F24D5/00
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.