US3745140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shapable fiber-reinforced novaculitefilled low molecular weight polyethylene terephthalate
Assignee: Honeywell International Inc
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Filing: 1971-09-22
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Granted: 1973-07-10
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Expires: 1991-09-22
Abstract
Abstract GLASS FIBER-REINFORCED, NOVACULITE-FILLED PET COMPOSITE SHEETS ARE FORMED USING SEMI-CRYSTALLINE PET HAVING ITS GLASS TRANSISTION TEMPERATURE ABOVE ROOM TEMPERATURE. THESE COMPOSITE SHEETS CAN BE COLD FORMED, I.E. SHAPED IN A COLD MOLD WHEN PREHEATED OUTSIDE THE MOLD, AND POSSESS PHYSICAL PROPERTIES SUPERIOR TO SHEETS PREPARED USING UNFILLED PET OR PET CONTAINING FILLERS OTHER THAN NOVACULITE.
Inventors
- 👤 L Segal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:07
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; C; C08; C08K; C08K13/00; C08K13/04; B32B27/36; B32B2262/00; B32B2262/10; B32B2262/101; B32B2367/00
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |