Patent US5362379A successfully refreshed from Google Patents.
Patent CA639928A successfully refreshed from Google Patents.
CA639928A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Air filter
Assignee: Electrolux Corp
•
Filing: —
•
Granted: 1962-04-17
•
Expires: 1979-04-17
Abstract
No abstract record available.
Inventors
- 👤 E. Ohlson Bengt
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-08 19:33
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.