Patent US3585681A successfully refreshed from Google Patents.
US3585681A
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US
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Blow molding apparatus
Assignee: Phillips Petroleum Co
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Filing: 1967-06-05
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Granted: 1971-06-22
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Expires: 1987-06-05
Abstract
Abstract A HOLLOW OBJECT HAVING AN INTEGRAL HOLLOW ADJUNCT PORTION IS FORMED BY BLOW MOLDING. TWO MOLD PARTS PINCH OFF A PORTION OF THE PARISON TO FORM THE ADJUNCT, AND THE REMAINDER OF THE PARISON FORMS THE MAIN BODY OF THE BLOWN OBJECT.
Inventors
- 👤 Tony E Branscum
- 👤 Bill T Morgan
- 👤 Donald L Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:54
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/4802; B29C49/02; B29C49/04; B29C49/482; B29C2049/4805; B29C2049/4807; B29C49/4812; B29L; B29L2031/00; B29L2031/46; B29L2031/463
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) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |