Patent US3553772A successfully refreshed from Google Patents.
US3553772A
Expired / Lapsed
US
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Bead exhaust assembly for a molding machine
Assignee: Koehring Co
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Filing: 1968-09-03
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Granted: 1971-01-12
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Expires: 1988-09-03
Abstract
Abstract AN ASSEMBLY FOR THEE EXHAUSTING OF THE SURPLUSAGE OF PLASTIC BEADS FROM A FOAM MOLDING MACHINE FOLLOWING THE CAVITY-CHARGING OPERATION FOR THE RETURN THEREOF TO THE BEAD SUPPLY FOR REUSE IN A SUBSEQUENT CAVITY-CHARGIN OPERATION AND ADAPTED FOR INTERCHANGEABLE USE IRRE- SPECTIVE OF WHETHER THE COOPERANT MOLDING MACHINE SLIDE RUNNER IS LOCATED ON THE STATIONARY MOLD HALF OR ON THE MOVABLE MOLDHALF OF THE FOAM MOLDING MACHINE.
Inventors
- 👤 Charles N Premo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:23
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/44; B29C44/445
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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |