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US3153653A Expired / Lapsed US ⏱️ 0.0 years remaining

2-(polyfluoroaliphatic thio)-benzo-thiazoles and -benzoxazoles

Assignee: EIDP Inc
•
Filing: 1963-01-11
•
Granted: 1964-10-20
•
Expires: 1983-01-11
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Abstract

No abstract record available.

Inventors

  • 👤 Maynard S Raasch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 17:22
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/58; C07D277/00; C07D277/60; C07D277/62; C07D277/68; C07D277/70; C07D277/74; C25; C25D; C25D3/00; C25D3/02; C25D3/38

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

References Cited (Backward Citations)

CA535580A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-20 1968-04-20 1968-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-20 1972-04-20 1972-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-20 1976-04-20 1976-10-20 $7700.00 Window Closed / Lapsed

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