US3296345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making molded containers
Assignee: FMC Corp
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Filing: 1963-10-29
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Granted: 1967-01-03
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Expires: 1983-10-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Dietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:39
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/20; B29C49/02; B29C49/04; B29C49/04102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A METHOD OF FORMING HOLLOW ARTICLES OF ORGANIC FILM-FORMING MATERIAL INCLUDING THE STEPS OF DELIVERING AN OPEN END OF A TUBULAR MASS OF FLOWABLE FILM-FORMING MATERIAL AGAINST A PREFORMED ELEMENT HAVING UNDERCUT PORTIONS SO THAT THE FILM-FORMING MATERIAL ALONG THE EDGE OF THE OPEN END OF THE DELIVERED TUBULAR MASS FLOWS INTO THE UNDERCUT PORTIONS OF THE PREFORMED ELEMENTS AND INTERLOCKS THEREWITH, EXPANDING THE TUBULAR MASS OF FILM-FORMING MATERIAL AGAINST THE WALLS OF A SURROUNDING MOLD, CAUSING THE FILM-FORMING MATERIAL WHICH IS WITHIN THE UNDERCUT PORTIONS OF THE PREFORMED ELEMENT AND THE EXPANDED FILM-FORMING MATERIAL TO SET AND SEVERING THE EXPANDED FILM-FORMING MATERIAL FROM ITS SOURCE OF SUPPLY.
Claim 2
Independent Claim
108 words
A METHOD OF FORMING HOLLOW ARTICLES OF ORGANIC FILM-FORMING MATERIAL INCLUDING THE STEPS OF DELIVERING AN OPEN END OF A TUBULAR MASS OF FLOWABLE FILM-FORMING MATERIAL AGAINST A PREFORMED ELEMENT HAVING UNDERCUT PORTIONS SO THAT THE FILM-FORMING MATERIAL ALONG THE EDGE OF THE OPEN END OF THE DELIVERED TUBULAR MASS FLOWS INTO THE UNDERCUT PORTIONS OF THE PREFORMED ELEMENTS AND INTERLOCKS THEREWITH, EXPANDING THE TUBULAR MASS OF FILM-FORMING MATERIAL AGAINST THE WALLS OF A SURROUNDING MOLD, CAUSING THE FILM-FORMING MATERIAL WHICH IS WITHIN THE UNDERCUT PORTIONS OF THE PREFORMED ELEMENT AND THE EXPANDED FILM-FORMING MATERIAL TO SET AND SEVERING THE EXPANDED FILM-FORMING MATERIAL FROM ITS SOURCE OF SUPPLY.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |