US3351464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the powder metallurical forming of metal powders by hot casting
Assignee: Tavkoezlesi Kutato Intezet
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Filing: 1966-07-25
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Granted: 1967-11-07
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Expires: 1986-07-25
Abstract
No abstract record available.
Inventors
- 👤 Budincsevits Andor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:40
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/02; B22F1/00; B22F1/10; B22F1/102; B22F1/108; B22F3/22; B22F3/225; B22F2998/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A POWDER METALLURGICAL PROCESS, COMPRISING COATING METAL POWDER WITH A FILM OF A MIXTURE OF OLEIC ACID AND PARAFFIN WAX OF ABOUT 80*C. TO ENHANCE THE WETABILITY OF THE POWDER BY PARAFFIN WAX THEREAFTER ADMIXING THE COATED POWDER WITH HOT PARAFFIN WAX TO FORM A FLUID PASTE, AND THEREAFTER PRESSING THE FLUID PASTE INTO A MOLD.
Claim 2
Dependent Claim
56 words
A POWDER METALLURGICAL PROCESS, COMPRISING COATING METAL POWDER WITH A FILM OF A MIXTURE OF OLEIC ACID AND PARAFFIN WAX OF ABOUT 80*C. TO ENHANCE THE WETABILITY OF THE POWDER BY PARAFFIN WAX THEREAFTER ADMIXING THE COATED POWDER WITH HOT PARAFFIN WAX TO FORM A FLUID PASTE, AND THEREAFTER PRESSING THE FLUID PASTE INTO A MOLD.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |