Patent US2190136A successfully refreshed from Google Patents.
Patent FR1097487A successfully refreshed from Google Patents.
FR1097487A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to compressor and turbine rotors
Assignee: Rolls Royce PLC
•
Filing: 1954-03-31
•
Granted: 1955-07-06
•
Expires: 1974-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 20:56
CPC Classifications
A; A61; A61K; A61K31/00; C; C07; C07D; C07D263/00; C07D263/02; C07D263/08; C07D263/10; C07D263/14; F; F01; F01D; F01D5/00; F01D5/02; F01D5/06; F01D5/30; F01D5/3053; F02; F02K; F02K1/00; F02K1/06; F02K1/12; F02K1/1207; F02K1/1223
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.