Patent US2184699A successfully refreshed from Google Patents.
Patent US3202739A successfully refreshed from Google Patents.
US3202739A
Expired / Lapsed
US
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Blow molding articles having balanced properties
Assignee: Phillips Petroleum Co
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Filing: 1963-01-10
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Granted: 1965-08-24
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Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Fredrick J Zavasnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:17
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/6409; B29C49/6436; B29C49/6445; B29C2949/00; B29C2949/07; B29C2949/0715; B29C35/00; B29C35/02; B29C35/04; B29C49/02; B29C49/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE METHOD OF FABRICATING A HOLLOW CONTAINER COMPRISING: (A) IMMERSING A HOLLOW PARISON OF THERMOPLASTIC RESIN OF SUBSTANTIALLY UNIFORM WALL THICKNESS AND CLOSED AT ONE END INTO A LIQUID HEATED MEDIUM FOR A PREDETERMINED PERIOD OF TIME; (B) PARTIALLY WITHDRAWING SAID PARISON FROM THE MEDIUM SO THAT THE REGION OF THE PARSION ADJACENT THE CLOSED END THEREOF REMAINS SUBMERTED, AND RETAINING THE PARISON IN THE THUS PARTIALLY WITHDRAWN POSITION FOR A SECOND PERIOD OF TIME SHORTER THAN THE FIRST MENTIONED PERIOD JOF TIME, THE CLOSED END BEING
Claim 2
Independent Claim
87 words
THE METHOD OF FABRICATING A HOLLOW CONTAINER COMPRISING: (A) IMMERSING A HOLLOW PARISON OF THERMOPLASTIC RESIN OF SUBSTANTIALLY UNIFORM WALL THICKNESS AND CLOSED AT ONE END INTO A LIQUID HEATED MEDIUM FOR A PREDETERMINED PERIOD OF TIME; (B) PARTIALLY WITHDRAWING SAID PARISON FROM THE MEDIUM SO THAT THE REGION OF THE PARSION ADJACENT THE CLOSED END THEREOF REMAINS SUBMERTED, AND RETAINING THE PARISON IN THE THUS PARTIALLY WITHDRAWN POSITION FOR A SECOND PERIOD OF TIME SHORTER THAN THE FIRST MENTIONED PERIOD JOF TIME, THE CLOSED END BEING
References Cited (Backward Citations)
US2348738A
Cited
US2750625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |