Patent US2492319A successfully refreshed from Google Patents.
CA1015000A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Door handle mechanisms
Assignee: Archibald Kenrick and Sons Ltd
•
Filing: 1975-03-26
•
Granted: 1977-08-02
•
Expires: 1995-03-26
Abstract
No abstract record available.
Inventors
- 👤 Richard D. Hamblin
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-04 19:24
CPC Classifications
E; E05; E05B; E05B3/00; E05B3/06; E05B3/065; Y; Y10; Y10T; Y10T292/00; Y10T292/85
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.