Patent US3091803A successfully refreshed from Google Patents.
US3091803A
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Blow molding apparatus
Assignee: Phillips Petroleum Co
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Filing: 1961-02-20
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Granted: 1963-06-04
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Expires: 1981-02-20
Abstract
No abstract record available.
Inventors
- 👤 Jr John N Scott
- 👤 Doyle L Alexander
- 👤 Don L Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:46
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/4236; B29C49/42372; B29C49/02; B29C49/04; B29C49/0411; B29C49/04114
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
178 words
IN APPARATUS FOR BLOW MOLDING WHICH INCLUDES A PARISON DIE POSITIONED FOR DOWNWARD EXTRUSION ALONG A PATH ABOUT THE DIE CENTER LINE, MOLDING MEANS OFFSET BELOW SAID DIE CLEAR OF THE PATH FOLLOWED BY THE PARISON BEING EXTRUDED, AND MEANS FOR SERVING AND TRANNSPORTING THE EXTRUDED PARISON TO SAID MOLDING MEANS, THE IMPROVEMENT COMPRISING, IN COMBINATION, FIRST CUTTING AND PINCHING MEANS POSITIONABLE ON ONE SIDE OF THE PARISON EXTRUSION PATH, SECOND CUTTING AND PINCHING MEANS POSITIONABLE ON THE OPPOSITE SIDE OF SAID PATH, MEANS LINKING SAID FIRST AND SECOND CUTTING AND PINCHING MEANS TO ADVANCE SAME SIMULTANEOUSLY TOWARD SAID CENTER LINE CUTTING THE UPPER END OF THE PARISON AND GRIPPING THE SEVERED END THEREOF WHEN IN A CLOSED POSITION AT SAID CENTER LINE, MEANS FOR MOVING SAID FIRST AND SECOND PINCHING MEANS IN CLOSED POSITION FROM SAID CENTER LINE TO SAID MOLDING MEANS AND FROM SAID MOLDING MEANS BACK TO SAID CENTER LINE, AND MEANS FOR PARTING SAID FIRST AND SECOND PINCHING MEANS UPON REACHING SAID CENTER LINE AND POSITIONING SAME ON OPPOSITE SIDES OF SAID PARISON PATH.
References Cited (Backward Citations)
US2898633A
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US2783503A
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FR1109688A
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GB789816A
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US2978745A
Cited
US3009198A
Cited
FR1249682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |