← Back to Patent Explorer
US3267089A Expired / Lapsed US ⏱️ 0.0 years remaining

Disazo orange dye

Assignee: Crompton and Knowles Corp
•
Filing: 1963-12-04
•
Granted: 1966-08-16
•
Expires: 1983-12-04
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 James F Feeman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:17
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/06; C09B31/062; C09B31/065; C09B43/00; C09B43/18; C09B43/24; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/926

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE:
Claim 2
Dependent Claim 6 words
A COMPOUND HAVING THE FOLLOWING STRUCTURE:

References Cited (Backward Citations)

US2124690A Cited
US2180246A Cited
US2222749A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-15 1970-02-14 1970-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-15 1974-02-14 1974-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-15 1978-02-14 1978-08-16 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag