US3608170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal impregnated composite casting method
Assignee: PepsiAmericas Inc
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Filing: 1969-04-14
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Granted: 1971-09-28
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Expires: 1989-04-14
Abstract
Abstract COMPOSITE METAL-NON-METAL STRUCTURES ARE OBTAINED FIRST MOLDING A POROUS PERFORM OF THE NON-METAL IN PARTICULATE FORM USING A BINDER WHICH WILL BOND THE PARTICLES BY PYROLYSIS PHENOMENON. THE PREFORM IS THEN TRNASFERRED TO A MOLD WHERE IT IS THOROUGHLY IMPREGNATED BY MOLTEN METAL.
Inventors
- 👤 Hugo R Larson
- 👤 Henry M T Harris
- 👤 Jacob Nitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:00
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/14; B; B22; B22D; B22D19/00; B22D19/08; B22D19/085; C; C22; C22C; C22C1/00; C22C1/10; C22C1/1036; F16C33/28; F16C2220/00; F16C2220/02; F16C2220/20; F16C2220/60; F16C2220/70; F16C2223/00; F16C2223/02; F16C2223/08; Y; Y10; Y10S; Y10S164/00; Y10S164/02; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/4967; Y10T428/00; Y10T428/12; Y10T428/12007; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12479
Claims Analysis
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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) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |