Patent DE574153C successfully refreshed from Google Patents.
DE574153C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of a tennis court consisting of two layers
Assignee: Individual
•
Filing: 1929-11-20
•
Granted: 1933-04-10
•
Expires: 1949-11-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 19:39
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/06
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.