US3566447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moulding equipment
Assignee: British Industrial Plastics Ltd
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Filing: 1968-01-25
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Granted: 1971-03-02
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Expires: 1988-01-25
Abstract
Abstract A MOULD FOR USE IN A COLD-MOULDING PROCESS COMPRISES A PINCH-OFF OF RESILIENT MATERIAL, SUITABLY A RUBBER. BETTER CONTROL OF RESIN FLOW AND REDUCED WEAR OF THE MOULD PROPER IS OBTAINED. COLD-PRESS MOULDS ARE DESCRIBED WHICH ARE OF GLASS-REINFORCED POLYESTER, WITH OR WITHOUT A PLASTICS FOAM BACKING, MOULDS OF PLASTICS FOAM ALONE, AND MOULDS ADAPTED TO ACCEPT INSERTS TO BE MOULDED INTO A MOULDING.
Inventors
- 👤 Dennis Henry Ogden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:51
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/54; B29C70/543; B29C33/00; B29C33/0038; B29C33/56; B29C43/00; B29C43/32; B29C43/36; B29C43/40; B29C44/00; B29C44/02; B29C44/12; B29K; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0854; B29K2309/00; B29K2309/08; B29K2867/00; B29K2867/06
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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |