Patent CA969727A successfully refreshed from Google Patents.
CA969727A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Lightweight structural element
Assignee: Individual
•
Filing: 1972-08-02
•
Granted: 1975-06-24
•
Expires: 1992-08-02
Abstract
No abstract record available.
Inventors
- 👤 Friedrich Haarburger
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-09 07:43
CPC Classifications
B; B62; B62D; B62D29/00; B62D29/04; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/245; B32B3/00; B32B3/02; B32B3/04; B32B5/02; B32B5/024; B32B5/18; B32B7/00; B32B7/04; B32B7/12; E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/205; E04C2/30; E04C2/38; B32B38/00; B32B2038/0052; B32B2038/008; B32B2255/00; B32B2255/02; B32B2255/26; B32B2266/00; B32B2266/06; B32B2266/08; B32B2305/00; B32B2305/02; B32B2305/022; B32B2305/10; B32B2305/18; B32B2305/188; B32B2307/00; B32B2307/20; B32B2307/202; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2307/40; B32B2307/416; B32B2307/70; B32B2307/71; B32B2307/712; B32B2307/714; B32B2307/724; B32B2307/732; B32B2307/734; B32B2419/00
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.