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US3477700A Expired / Lapsed US ⏱️ 0.0 years remaining

Parison heating and transfer

Assignee: Phillips Petroleum Co
•
Filing: 1968-01-08
•
Granted: 1969-11-11
•
Expires: 1988-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 William G Kinslow Jr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:37
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/68; B29C35/00; B29C35/02; B29C35/08; B29C35/0805; B29C2035/0822; B29C49/682

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2848213A Cited
US3186028A Cited
US3283046A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-11-10 1973-05-12 1973-11-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-11-10 1977-05-12 1977-11-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-11-10 1981-05-12 1981-11-11 $7700.00 Window Closed / Lapsed

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