US3177077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of compact or fine-pored metallic compositions by agglomerating particulate metals
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1959-11-16
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Granted: 1965-04-06
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Eyraud Charles
- 👤 Daneyrolle Charles
- 👤 Chevreton Maurice
- 👤 Thomas Germaine
- 👤 Plurien Pierre
- 👤 Massignon Daniel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:31
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/001; B22F9/00; B22F9/002; B22F9/004; B22F9/16; B22F9/18; B22F9/20; B22F9/22; B22F9/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
IN A PROCESS FOR MAKING AGGLOMERATED METALLIC COMPOSITIONS THE STEPS OF SUBJECTING A FINELY DIVIDED METAL COMPOUND CONTAINING CARBON IN ITS MOLECULE AT TEMPERATURES FROM 150* TO 40*C. TO THERMAL DECOMPOSITION IN AN INERT ATMOSPHERE AND THEN COMPRESSING THE RESULTING METAL POWDER IN SAID INERT ATMOSPHERE AT A TEMPERATURE NOT ABOVE THE TEMPERATURE OF THERMAL DECOMPOSITION AND AT A PRESSURE OF ABOVE ABOUT 1 TON/CM.2.
Claim 2
Dependent Claim
65 words
IN A PROCESS FOR MAKING AGGLOMERATED METALLIC COMPOSITIONS THE STEPS OF SUBJECTING A FINELY DIVIDED METAL COMPOUND CONTAINING CARBON IN ITS MOLECULE AT TEMPERATURES FROM 150* TO 40*C. TO THERMAL DECOMPOSITION IN AN INERT ATMOSPHERE AND THEN COMPRESSING THE RESULTING METAL POWDER IN SAID INERT ATMOSPHERE AT A TEMPERATURE NOT ABOVE THE TEMPERATURE OF THERMAL DECOMPOSITION AND AT A PRESSURE OF ABOVE ABOUT 1 TON/CM.2.
References Cited (Backward Citations)
GB419953A
Cited
US2287663A
Cited
GB610514A
Cited
US2522679A
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US2681375A
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US2776887A
Cited
US2833847A
Cited
US2894281A
Cited
US2893859A
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US2918699A
Cited
US2979400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |