Patent US3203148A successfully refreshed from Google Patents.
Patent FR325834A successfully refreshed from Google Patents.
FR325834A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to induction coils
Assignee: HEINZE JR JOHN OTTO
•
Filing: 1902-10-28
•
Granted: 1903-05-09
•
Expires: 1922-10-28
Abstract
No abstract record available.
Inventors
- 👤 Heinze Jr. John Otto
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 14:46
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/54; H02M7/58; H02M7/62
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.