Patent US3513669A successfully refreshed from Google Patents.
Patent CA508725A successfully refreshed from Google Patents.
CA508725A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Method of making concrete roads and apparatus therefor
Assignee: ABG Allgemeine Baumaschinen GmbH
•
Filing: —
•
Granted: 1955-01-04
•
Expires: 1972-01-04
Abstract
No abstract record available.
Inventors
- 👤 Hauser Johann
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-04 07:38
CPC Classifications
—
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.