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US2922792A Expired / Lapsed US ⏱️ 0.0 years remaining

Certain ester derivatives of 2-mercaptopyridine, n-oxide

Assignee: Olin Corp
•
Filing: 1958-01-06
•
Granted: 1960-01-26
•
Expires: 1978-01-06
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Abstract

No abstract record available.

Inventors

  • 👤 Rockett Jack

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 09:23
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/89

Claims Analysis

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

References Cited (Backward Citations)

US2212895A Cited
US2445142A Cited
US2686786A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-25 1963-07-27 1964-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-25 1967-07-27 1968-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-25 1971-07-27 1972-01-26 $7700.00 Window Closed / Lapsed

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