US3196198A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for molding plastic articles
Assignee: OI Glass Inc
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Filing: 1961-11-13
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Granted: 1965-07-20
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Expires: 1981-11-13
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Rex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:44
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/17; B29C45/46; B29C45/53; B29C45/58; B29C45/586; B29C45/72; B29C45/02; B29C2045/025; B29C2045/538
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
THE METHOD OF FORMING A PLASTIC ARTICLE FREE FROM FOLD BLEMISHES COMPRISING INTRODUCING A HOT PLASTIC CHARGE INTO A CHAMBER, MOVING SAID CHARGE BY MEANS OF A HEATED RAM IN CONTACT THEREWITH INTO A MOLD CAVITY, QUICKLY COOLING SAID HEATED RAM AS THE CHARGE ENTERS SAID OPENING AND THEREAFTER CONTINUING TO MOVE THE PLASTIC CHARGE INTO THE CAVITY BY SAID RAM SO AS TO FORM THE ARTICLE.
Claim 2
Independent Claim
67 words
THE METHOD OF FORMING A PLASTIC ARTICLE FREE FROM FOLD BLEMISHES COMPRISING INTRODUCING A HOT PLASTIC CHARGE INTO A CHAMBER, MOVING SAID CHARGE BY MEANS OF A HEATED RAM IN CONTACT THEREWITH INTO A MOLD CAVITY, QUICKLY COOLING SAID HEATED RAM AS THE CHARGE ENTERS SAID OPENING AND THEREAFTER CONTINUING TO MOVE THE PLASTIC CHARGE INTO THE CAVITY BY SAID RAM SO AS TO FORM THE ARTICLE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |