US3792143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for blow molding a hollow article having an attached hollow adjunct
Assignee: Phillips Petroleum Co
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Filing: 1972-04-24
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Granted: 1974-02-12
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Expires: 1992-04-24
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
- 👤 T Branscum
- 👤 B Morgan
- 👤 D Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:03
CPC Classifications
B; B24; B24B; B24B19/00; B24B19/20; B21; B21D; B21D37/00; B21D37/20; B21D37/205; B29; B29C; B29C49/00; B29C49/02; B29C49/04; B29C49/42; B29C49/48; B29C49/4802; 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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |