US3326679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improved sintering
Assignee: Alloys Research and Manufacturing Corp
•
Filing: 1965-03-12
•
Granted: 1967-06-20
•
Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Wallace Lance
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:53
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; C; C22; C22C; C22C1/00; C22C1/04; C22C1/0408; C22C1/0416; B22F2003/1042; B22F2003/1046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA473178A
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US2641556A
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US2076793A
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US2132557A
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US2308070A
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US2506364A
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GB693114A
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US2941280A
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DE1186640B
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US3265600A
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US3254401A
Cited
US3250838A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |