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US3585683A
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Blow molding apparatus
Assignee: Phillips Petroleum Co
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Filing: 1968-03-11
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Granted: 1971-06-22
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Expires: 1988-03-11
Abstract
Abstract A BLOW MOLDING APPARATUS COMPRISES AN EXTERIOR NECK MOLD POSITIONED IN SEPARABLE MOLD HALVES AT ONE EXTREMITY OF THE MOLD CAVITY AND AXIALLY RECIPROCALLY MOUNTED INTERIOR NECK MOLDING MEANS COMPRISING AN INTERIOR NECK MOLD AND CIRCUMFERENTIALLY DISPOSED SLEEVE AS AN INTERIOR LIP MOLD, THE INTERIOR NECK MOLD BEING AXIALLY RETRACTABLE RELATIVE TO SAID SLEEVE AND A FLUID CONDUIT WITHIN SAID INTERIOR NECK MOLD COMMUNICATING BETWEEN THE INTERIOR OF SAID MOLD CAVITY AND A FLUID SOURCE.
Inventors
- 👤 Newton R Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
B; B29; B29C; 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) | 1974-06-21 | 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 |