Patent US4739320A successfully refreshed from Google Patents.
Patent US2566079A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2566079A Expired / Lapsed US ⏱️ 0.0 years remaining

Color comparator

Assignee: Individual
•
Filing: 1949-05-02
•
Granted: 1951-08-28
•
Expires: 1969-05-02
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Armin J Bruning

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 11:16
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/46; G01J3/52

Claims Analysis

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

References Cited (Backward Citations)

US973962A Cited
DE333678C Cited
US1880026A Cited
US1879098A Cited
US2434450A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-08-27 1955-02-26 1955-08-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-08-27 1959-02-26 1959-08-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-08-27 1963-02-26 1963-08-28 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag