Patent US2875474A successfully refreshed from Google Patents.
US2875474A
Expired / Lapsed
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Process of shaping resin-impregnated filamentary material
Assignee: EIDP Inc
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Filing: 1955-08-02
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Granted: 1959-03-03
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Expires: 1975-08-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert G Lauterbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:07
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29K; B29K2105/00; B29K2105/06; B29K2105/12; B29K2105/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
PROCESS COMPRISING IMPREGNATING A NON-WOVEN NEEDLE-PUNCHED BATT CONSISTING ESSENTIALLY OF SYNTHETIC OIRGANIC FILAMENTARY MATERIAL WITH A THERMOSETTING RESIN, DEFORMING THE IMPREGNATED BATT INTO A DESIRED SHAPE BY DEEP-DRAWING AT SUBSTANTIALLY ROOM TEMPERATURE, AND EXPOSING THE RESULTING ARTICLE TO CURING CONDITIONS FOR THE RESIN UNTIL THE RESIN IS COMPLETELY CURED AND THE ARTICLE IS RIGIDIFIED IN THE DEFORMED SHAPE.
Claim 2
Dependent Claim
58 words
PROCESS COMPRISING IMPREGNATING A NON-WOVEN NEEDLE-PUNCHED BATT CONSISTING ESSENTIALLY OF SYNTHETIC OIRGANIC FILAMENTARY MATERIAL WITH A THERMOSETTING RESIN, DEFORMING THE IMPREGNATED BATT INTO A DESIRED SHAPE BY DEEP-DRAWING AT SUBSTANTIALLY ROOM TEMPERATURE, AND EXPOSING THE RESULTING ARTICLE TO CURING CONDITIONS FOR THE RESIN UNTIL THE RESIN IS COMPLETELY CURED AND THE ARTICLE IS RIGIDIFIED IN THE DEFORMED SHAPE.
References Cited (Backward Citations)
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Cited
US2267316A
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US2397936A
Cited
US2401180A
Cited
US2402532A
Cited
US2725309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |