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US3135789A Expired / Lapsed US ⏱️ 0.0 years remaining

Cyclic boron compounds

Assignee: Olin Corp
•
Filing: 1961-11-29
•
Granted: 1964-06-02
•
Expires: 1981-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Fried Josef
  • 👤 Yale Harry Louis
  • 👤 Bergeim Frank Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:08
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/022; C07F5/025

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim 5 words
A COMPOUND OF HTE FORMULA
Claim 4
Dependent Claim 5 words
A COMPOUND OF HTE FORMULA

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-06-02 1967-12-02 1968-06-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-06-02 1971-12-02 1972-06-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-06-02 1975-12-02 1976-06-02 $7700.00 Window Closed / Lapsed

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