Patent US2954588A successfully refreshed from Google Patents.
US2954588A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming hollow plastic articles
Assignee: OI Glass Inc
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Filing: 1953-09-21
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Granted: 1960-10-04
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Expires: 1973-09-21
Abstract
No abstract record available.
Inventors
- 👤 Leonard D Soubier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:43
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/09; B29C48/25; B29C48/30; B29C48/32; B29C2949/00; B29C2949/30; B29C2949/3032; B29C2949/3041; B29C49/00; B29C49/02; B29C49/04; B29C49/04108; B29L; B29L2031/00; B29L2031/712; B29L2031/7158
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A METHOD OF MAKING A BLANK OF HEATED PLASTICIZED MATERIAL FROM WHICH PLASTIC CONTAINERS CAN BE SUBSEQUENTLY BLOWN, SAID MATERIAL BEING NORMALLY MOVED TO AND THROUGH AN ACCUMULATING CAVITY HAVING COMMUNICATION (1) WITH A PLASTICIZING SOURCE OF SUPPLY OF SAID MATERIAL UNDER PRESSURE AND (2) WITH AN ANNULAR EXTRUSION ORIFICE, THE STEPS OFF MOVING SAID PLASTICIZED MATERIAL FROM SAID SOURCE OF SUPPLY INTO SAID CAVITY UNDER THE PRESSURE OF THE PLASTICIZING SOURCE, POSITIONING A NECK MOLD AGAINST SAID ORIFICE AND IN COMMUNICATION WITH SAID CAVITY, APPLYING A POSITIVE DISPLACEMENT PRESSURE FROM A PRESSURE SOURCE OTHER THAN THAT OF SAID PLASTICIZING SOURCE TO THE MATERIAL WITHIN SAID CAVITY TO FORCE A PORTION ONLY OF THE MATERIAL IN SAID CAVITY THROUGH SAID ORIFICE AND INTO THE NECK MOLD POSITIONED THEREAGAINST, AND MOVING SAID NECK MOLD RELATIVE TO SAID ORIFICE WHILE APPLYING PRESSURE TO THE MATERIAL IN SAID CAVITY TO EXPRESS A QUANTITY OF SAID MATERIAL THROUGH SAID ORIFICE IN UNCONFINED TUBULAR FORM, SAID TUBULAR FORM BEING INTEGRALLY JOINED WITH THE MATERIAL IN SAID NECK MOLD.
Claim 2
Dependent Claim
174 words
IN A METHOD OF MAKING A BLANK OF HEATED PLASTICIZED MATERIAL FROM WHICH PLASTIC CONTAINERS CAN BE SUBSEQUENTLY BLOWN, SAID MATERIAL BEING NORMALLY MOVED TO AND THROUGH AN ACCUMULATING CAVITY HAVING COMMUNICATION (1) WITH A PLASTICIZING SOURCE OF SUPPLY OF SAID MATERIAL UNDER PRESSURE AND (2) WITH AN ANNULAR EXTRUSION ORIFICE, THE STEPS OFF MOVING SAID PLASTICIZED MATERIAL FROM SAID SOURCE OF SUPPLY INTO SAID CAVITY UNDER THE PRESSURE OF THE PLASTICIZING SOURCE, POSITIONING A NECK MOLD AGAINST SAID ORIFICE AND IN COMMUNICATION WITH SAID CAVITY, APPLYING A POSITIVE DISPLACEMENT PRESSURE FROM A PRESSURE SOURCE OTHER THAN THAT OF SAID PLASTICIZING SOURCE TO THE MATERIAL WITHIN SAID CAVITY TO FORCE A PORTION ONLY OF THE MATERIAL IN SAID CAVITY THROUGH SAID ORIFICE AND INTO THE NECK MOLD POSITIONED THEREAGAINST, AND MOVING SAID NECK MOLD RELATIVE TO SAID ORIFICE WHILE APPLYING PRESSURE TO THE MATERIAL IN SAID CAVITY TO EXPRESS A QUANTITY OF SAID MATERIAL THROUGH SAID ORIFICE IN UNCONFINED TUBULAR FORM, SAID TUBULAR FORM BEING INTEGRALLY JOINED WITH THE MATERIAL IN SAID NECK MOLD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |