FR447195A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Tubular refrigerant for multi-stage air or gas compressors
Assignee: LEOPOLD KARL PICK
•
Filing: 1912-08-13
•
Granted: 1912-12-26
•
Expires: 1932-08-13
Abstract
No abstract record available.
Inventors
- 👤 Leopold Karl Pick
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 20:39
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/06
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.