Patent CH87923A successfully refreshed from Google Patents.
← Back to Patent Explorer
CH87923A Expired / Lapsed CH ⏱️ 0.0 years remaining

Method and device for the production of a bituminous macadam for covering streets, sidewalks, roofs and other surfaces.

Assignee: Strassenbau A G Luzern
•
Filing: 1920-04-29
•
Granted: —
•
Expires: 1940-04-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Strassenbau A G Luzern

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-30 20:06
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/02; E01C19/10; E01C19/1013; E01C19/1027; E01C19/1031; E01C2019/1081; E01C2019/109

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag