FR765857A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to the attachment of condenser tubes and other similar multi-tube heat exchangers
Assignee: Crane Packing Ltd
•
Filing: 1933-12-20
•
Granted: 1934-06-18
•
Expires: 1953-12-20
Abstract
No abstract record available.
Inventors
- 👤 Francis Clarence Wal Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 05:42
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/06; F28F9/10
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.