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US3248366A Expired / Lapsed US ⏱️ 0.0 years remaining

Halogenated polycarbonates

Assignee: Honeywell International Inc
•
Filing: 1963-07-03
•
Granted: 1966-04-26
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Expires: 1983-07-03
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Abstract

No abstract record available.

Inventors

  • 👤 George J Schmitt
  • 👤 Bryce C Oxenrider
  • 👤 Everett E Gilbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 19:34
CPC Classifications
C; C08; C08G; C08G64/00; C08G64/20; C08G64/22; C08G64/24; C08G64/04; C08G64/06; C08G64/08; C08G64/10; D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D01F6/64

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 11 words
A POLYCARBONATE RESIN COMPOSED OF THE RECURRING UNITS OF THE FORMULA:
Claim 2
Dependent Claim 11 words
A POLYCARBONATE RESIN COMPOSED OF THE RECURRING UNITS OF THE FORMULA:

References Cited (Backward Citations)

US2970131A Cited
US3062781A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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