Patent US3562372A successfully refreshed from Google Patents.
US3562372A
Expired / Lapsed
US
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Method of shaping while cooling the neck portion of a blow molded plastic bottle
Assignee: Giltech Corp
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Filing: 1968-05-08
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Granted: 1971-02-09
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Expires: 1988-05-08
Abstract
Abstract COOLING OF THE NECK PORTION OF A PLASTIC BOTTLE AFTER BLOW MOLDING BY DISCHARING THE BOTTLE FROM THE BLOW MOLD AND IMMEDIATELY INSERTING A CHILLED GAGE INTO THE BOTTLE NECK PORTION SO THAT SUCH PORTION WILL SHRINK ONTO THE GAGE AND HAVE ITS INTERNAL DIAMETER CONFORM TO THE GAGE.
Inventors
- 👤 Gilmore T Schjeldahl
- 👤 Harry R Carlsen
- 👤 James A Warren
- 👤 Charles Eumurian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
B; B29; B29C; B29C71/00; B29C71/02; B29C49/00; B29C49/42; B29C49/76
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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |