← Back to Patent Explorer
US2628845A Expired / Lapsed US ⏱️ 0.0 years remaining

Phonograph

Assignee: WEBSTER CHICAGO CORP
•
Filing: 1950-01-13
•
Granted: 1953-02-17
•
Expires: 1970-01-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Colin B Dale

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:28
CPC Classifications
G; G11; G11B; G11B17/00; G11B17/02; G11B17/08; G11B17/12; G11B17/16; G11B3/00; G11B3/02; G11B3/08

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

US1509811A Cited
US1764957A Cited
GB373795A Cited
FR879598A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-02-17 1956-08-18 1957-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-02-17 1960-08-18 1961-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-02-17 1964-08-18 1965-02-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag