FR647104A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Herbicide and sterilant
Assignee: COMPTOIR PARISIEN D ENGRAIS ET
•
Filing: 1927-05-25
•
Granted: 1928-11-20
•
Expires: 1947-05-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 15:40
CPC Classifications
A; A01; A01N; A01N61/00; A01N61/02; A01N65/00
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.