← Back to Patent Explorer
US3267054A Expired / Lapsed US ⏱️ 0.0 years remaining

Aqueous paper pulp mix containing polymeric polyester with carboxyl groups and a polyalkylenimine

Assignee: 3M Co
•
Filing: 1960-11-18
•
Granted: 1966-08-16
•
Expires: 1980-11-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Joseph F Abere

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:16
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/91; C09; C09D; C09D167/00

Claims Analysis

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

References Cited (Backward Citations)

US2933416A Cited
US2601597A Cited
US2752317A Cited
US2800463A Cited
US2851408A Cited
US2843541A 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