Patent US5234269A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3465059A Expired / Lapsed US ⏱️ 0.0 years remaining

Carboxy terminated graft copolymers of carbonamide group on acrylic copolymers

Assignee: Honeywell International Inc
•
Filing: 1966-11-28
•
Granted: 1969-09-02
•
Expires: 1986-11-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Manfred K Seven
  • 👤 Richard J Bellet

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 04:47
CPC Classifications
C; C08; C08G; C08G69/00; C08L; C08L77/00

Claims Analysis

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

References Cited (Backward Citations)

US3136738A Cited
US3243476A Cited
US3243477A Cited
US3261855A Cited
US3325561A Cited
US3388186A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-01 1973-03-03 1973-09-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-01 1977-03-03 1977-09-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-01 1981-03-03 1981-09-02 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag