US3269826A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compaction of finely divided metals
Assignee: EIDP Inc
•
Filing: 1963-10-08
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Granted: 1966-08-30
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Walter F Bumgarner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:03
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/12; B22F3/1208; B22F3/1216; B22F3/1233; B22F3/1241; C; C21; C21C; C21C7/00; C21C7/04; C21C7/076; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A PROCESS FOR COMPACTING METAL PARTICLES AND MELTING THE COMPACTED PRODUCT WHICH COMPRISES COMPLETELY CONFINING SAID METAL PARTICLES WITHIN A THIN-WALLED 1-10 MILS THICK METAL RECEPTACLE AS AN ENCLOSURE THEREFOR, ENVELOPING SAID RECEPTACLE WITHIN A THIN, HIGH STRENGTH POLYMERIC PLASTIC MATERIAL, ENCLOSING THE RESULTING PACKAGE WITHIN A STRONG FLEXIBLE LIQUID-TIGHT CONTAINER, SUBJECTING THE RESULTING ASSEMBLY TO HYDROATATIC PRESSURE COMPACSAID THIN METAL RECEPTACLE FORMING AN INTEGRAL PART THEREOF AND SUBJECTING THE RECOVERED PRODUCT TO ARC MELTING.
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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) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |