Patent US3715109A successfully refreshed from Google Patents.
US3715109A
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US
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Rapid heating of parison preforms
Assignee: Phillips Petroleum Co
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Filing: 1971-05-13
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Granted: 1973-02-06
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Expires: 1991-05-13
Abstract
Abstract TUBULAR PARISON PREFORMS ARE HEATED TO ORIENTATION TEMPERATURE BY MEANS OF EXTERNAL RADIANT HEAT COMBINED WITH AFFIRMATIVE HEATING OF THE PARISON ON THE INSIDE.
Inventors
- 👤 D Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:04
CPC Classifications
B; B29; B29B; B29B13/00; B29B13/02; B29B13/023; B29B13/024; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/68; B29C2949/00; B29C2949/07; B29C2949/079; B29C2949/08; B29C49/6409; B29C49/6436; B29C49/6462; B29C49/682; B29K; B29K2023/00; B29K2023/10; B29K2023/12; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/258; B29L; B29L2023/00; B29L2023/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |