Patent US5777560A successfully refreshed from Google Patents.
Patent US3553005A successfully refreshed from Google Patents.
US3553005A
Expired / Lapsed
US
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Method for producing a plastic impregnated article
Assignee: Individual
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Filing: 1968-01-25
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Granted: 1971-01-05
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Expires: 1988-01-25
Abstract
Abstract POROUS MATERIAL IS VACUUM IMPREGNATED WITH A TREATED METHYL OR ETHYL MONOMER AND THE IMPREGNATED MATERIAL IS THEREAFTER HEATED BY AN EXTERNAL HEAT SOURCE TO THE TEMPERATURE REQUIRED TO INTIATE POLYMERIZATION OF THE MONOMER. THE EXTERNAL HEAT SOURCE IS THEREAFTER REMOVED AND THE HEAT GENERATED BY THE INTIAL POLYMERIZATION OF THE MONOMER IS USED TO COMPLETE THE POLYMERIZATION OF THE REMAINING MONOMER. THE QUALITY AND TYPE OF ADDITIVE EMPLOYED CONTROL THE POLYMERIZATION RATE, POLYMERIZATION TEMPERATURE, THE AMOUNT OF MONOMER REMAINING IN THE FINISHED PRODUCT AND THE TIME REQUIRED TO CURE THE POLYMERIZED MONOMER.
Inventors
- 👤 Edward L Moragne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:51
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; C08J9/40; C08J9/405; C08L; C08L97/00; C08L97/02; B; B27; B27K; B27K3/00; B27K3/02; B27K3/15; C08L33/00; C08L33/04; C08L33/06; C08L33/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |