Patent FR476646A successfully refreshed from Google Patents.
FR476646A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Repeater mechanism for talking machines
Assignee: Individual
•
Filing: 1914-12-03
•
Granted: 1915-08-19
•
Expires: 1934-12-03
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Abraham
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-28 15:09
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/02; G11B3/08; G11B3/095; G11B3/0952; G11B3/0955; E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; F; F21; F21H; F21H3/00
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.