Patent US2092402A successfully refreshed from Google Patents.
Patent AT93221B successfully refreshed from Google Patents.
AT93221B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Switching device for cinematographs acting in sections.
Assignee: Joseph Massolle
•
Filing: 1922-02-15
•
Granted: 1923-06-25
•
Expires: 1942-02-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph Massolle
- 👤 Hans Vogt
- 👤 Joseph Dr Engl
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-29 19:56
CPC Classifications
—
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.