CA457706A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Goggles with detachable lens
Assignee: Polaroid Corp
•
Filing: 1946-03-04
•
Granted: 1949-06-28
•
Expires: 1966-03-04
Abstract
No abstract record available.
Inventors
- 👤 Way Cochran Clarence
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-31 08:39
CPC Classifications
G; G02; G02C; G02C1/00; G02C1/04; G02C5/00; G02C5/12; G02C5/126; G02C7/00; G02C7/16; G02C2200/00; G02C2200/08
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.