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US3278560A Expired / Lapsed US ⏱️ 0.0 years remaining

Polyglycidylpolyamine compounds

Assignee: Monsanto Co
•
Filing: 1962-07-25
•
Granted: 1966-10-11
•
Expires: 1982-07-25
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Abstract

No abstract record available.

Inventors

  • 👤 Van R Gaertner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 03:58
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/36

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-10-10 1970-04-11 1970-10-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-10-10 1974-04-11 1974-10-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-10-10 1978-04-11 1978-10-11 $7700.00 Window Closed / Lapsed

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