Patent US3609011A successfully refreshed from Google Patents.
Patent US2147557A successfully refreshed from Google Patents.
Patent CH279344A successfully refreshed from Google Patents.
CH279344A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Drywall transducer.
Assignee: Oerlikon Maschf
•
Filing: 1950-03-20
•
Granted: —
•
Expires: 1970-03-20
Abstract
No abstract record available.
Inventors
- 👤 Oerlikon Maschinenfabrik
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 00:43
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/20; H01F38/22; H01F38/28; H01F38/30
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.