Patent US3270273A successfully refreshed from Google Patents.
Patent FR868386A successfully refreshed from Google Patents.
FR868386A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Vacuum vaporization process
Assignee: Robert Bosch GmbH
•
Filing: 1940-12-26
•
Granted: 1941-12-29
•
Expires: 1960-12-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 21:28
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/305; H01J37/3053; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/28; C23C14/30; Y; Y10; Y10S; Y10S164/00; Y10S164/04
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.