US2605506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of plastic articles
Assignee: Individual
•
Filing: 1949-04-09
•
Granted: 1952-08-05
•
Expires: 1969-04-09
Abstract
No abstract record available.
Inventors
- 👤 James A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:47
CPC Classifications
B; B29; B29B; B29B11/00; B29B11/06; B29C; B29C43/00; B29C43/02; B29L; B29L2017/00; B29L2017/001; B29L2017/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE METHOD OF MAKING ARTICLES OF THERMOPLASTIC MATERIAL OF THE CLASS CONSISTING OF VINYL RESINS AND NYLON, SAID MATERIAL BEING SUBSTANTIALLY DEVOID OF PLASTICIZER, WHICH COMPRISES FORMING SAID THERMOPLASTIC MATERIAL IN THE FORM OF FINELYDIVIDED PARTICLES INTO A LAYER OF LOOSE PARTICLES HAVING A RUDIMENTARY SHAPE APPROXIMATING THAT OF THE FINISHED ARTICLE, HEATING SAID LAYER OF LOOSE PARTICLES, WITHOUT COMPRESSING IT, TO A TEMPERATURE CAUSING THE PARTICLES TO FRIT TOGETHER INTO A SELF-SUSTAINING POROUS, SPONGY UNIT, TRANSFERRING THE SAID UNIT TO A MOLD, AND COMPRESSING THE POROUS, SPONGY UNIT IN THE MOLD IN THE PRESENCE OF HEAT TO CONSOLIDATE AND UNITE THE POROUS, SPONGY UNIT INTO A SOLID, HOMOGENEOUS ARTICLE CONFORMING TO THE MOLD.
Claim 2
Independent Claim
114 words
THE METHOD OF MAKING ARTICLES OF THERMOPLASTIC MATERIAL OF THE CLASS CONSISTING OF VINYL RESINS AND NYLON, SAID MATERIAL BEING SUBSTANTIALLY DEVOID OF PLASTICIZER, WHICH COMPRISES FORMING SAID THERMOPLASTIC MATERIAL IN THE FORM OF FINELYDIVIDED PARTICLES INTO A LAYER OF LOOSE PARTICLES HAVING A RUDIMENTARY SHAPE APPROXIMATING THAT OF THE FINISHED ARTICLE, HEATING SAID LAYER OF LOOSE PARTICLES, WITHOUT COMPRESSING IT, TO A TEMPERATURE CAUSING THE PARTICLES TO FRIT TOGETHER INTO A SELF-SUSTAINING POROUS, SPONGY UNIT, TRANSFERRING THE SAID UNIT TO A MOLD, AND COMPRESSING THE POROUS, SPONGY UNIT IN THE MOLD IN THE PRESENCE OF HEAT TO CONSOLIDATE AND UNITE THE POROUS, SPONGY UNIT INTO A SOLID, HOMOGENEOUS ARTICLE CONFORMING TO THE MOLD.
References Cited (Backward Citations)
US1146388A
Cited
US1234450A
Cited
US1405484A
Cited
GB209835A
Cited
US1558175A
Cited
US1865586A
Cited
US1653524A
Cited
GB368621A
Cited
US2297248A
Cited
US2269267A
Cited
US2371868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-05 | 1956-02-04 | 1956-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-05 | 1960-02-04 | 1960-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-05 | 1964-02-04 | 1964-08-05 | $7700.00 | Window Closed / Lapsed |