US3320344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing plastic products
Assignee: Individual
•
Filing: 1964-09-29
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Granted: 1967-05-16
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Roy M Slipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:50
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/14; B29C39/20; B29C39/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF MAKING A COMPOUND PLASTIC PRODUCT PORTIONS OF WHICH ARE OF A PLASTIC METERIAL THAT PASSES THROUGH A GEL STATE WHEN SOLIDIFYING FROM A LIQUID STATE, COMPRISING THE STEPS OF (A) FORMING A FLEXIBLE MOLD FOR EACH OF SAID PORTIONS, (B) CASTING ONE PORTION OF SAID PRODUCT IN ONE OF SAID MOLDS, (C) STRIPPING THE MOLD FROM SAID ONE PORTION WHEN SAID ONE PORTION IS IN A GEL STATE, (D) POSITIONING SAID ONE PORTION IN THE LARGER SECOND MOLD FOR ANOTHER PORTION, (E) CASTING SAID OTHER PORTION IN SAID OTHER MOLD AND ONTO SAID ONE PORTION WHILE SAID ONE PORTION IS IN A GEL STATE, (F) ALLOWING SAID PORTIONS TO SOLIDIFY AND UNITE IN ASSEMBLED RELATION.
Claim 2
Independent Claim
118 words
A METHOD OF MAKING A COMPOUND PLASTIC PRODUCT PORTIONS OF WHICH ARE OF A PLASTIC METERIAL THAT PASSES THROUGH A GEL STATE WHEN SOLIDIFYING FROM A LIQUID STATE, COMPRISING THE STEPS OF (A) FORMING A FLEXIBLE MOLD FOR EACH OF SAID PORTIONS, (B) CASTING ONE PORTION OF SAID PRODUCT IN ONE OF SAID MOLDS, (C) STRIPPING THE MOLD FROM SAID ONE PORTION WHEN SAID ONE PORTION IS IN A GEL STATE, (D) POSITIONING SAID ONE PORTION IN THE LARGER SECOND MOLD FOR ANOTHER PORTION, (E) CASTING SAID OTHER PORTION IN SAID OTHER MOLD AND ONTO SAID ONE PORTION WHILE SAID ONE PORTION IS IN A GEL STATE, (F) ALLOWING SAID PORTIONS TO SOLIDIFY AND UNITE IN ASSEMBLED RELATION.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |