← Back to Patent Explorer
US2563350A Expired / Lapsed US ⏱️ 0.0 years remaining

Phonograph record indexing device

Assignee: Individual
•
Filing: 1946-11-22
•
Granted: 1951-08-07
•
Expires: 1966-11-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 John E Mccombie

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:18
CPC Classifications
G; G11; G11B; G11B33/00; G11B33/02; G11B33/04

Claims Analysis

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

References Cited (Backward Citations)

US1423655A Cited
US1399757A Cited
US1489147A Cited
US1475025A Cited
US1712423A Cited
US1860380A Cited
FR697604A Cited
US2149796A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-06 1955-02-05 1955-08-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-06 1959-02-05 1959-08-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-06 1963-02-05 1963-08-07 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag