US2917384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making foam material from nickel powder
Assignee: General Electric Co
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Filing: 1956-01-19
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Granted: 1959-12-15
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Grandey Max Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:53
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/11; B22F3/1121; B22F3/1125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
THE METHOD FOR MAKING FOAM MATERIAL COMPRISING THE STEPS OF MIXING 99% PURE NICKEL POWDER OF 9K% MINUS 325 MESH SIZE WITH A 100% SOLIDS METHYL PHENYL SILANE RESIN, HEATING THE RESULTING MIXTURE TO 400*F. FOR FROM ONE TO TWO HOURS TO CAUSE FORMING, PLACING THE MATERIAL IN A HYDROGEN ATMOSPHERE RETORT AT 800*F. AND HEATING SLOWLY OVER A PERIOD OF FROM TWO TO FIVE HOURS TO 1200*F., HOLDING AT 1200*F. FOR FROM ONE AND ONE-HALF TO TWO HOURS, INCREASING THE RETORT TEMPERATURE SLOWLY TO BETWEEN 1800 AND 2400*F. AND HOLDING AT THE LATTER TEMPERATURE BETWEEN ONE AND EIGHT HOURS.
Claim 2
Independent Claim
100 words
THE METHOD FOR MAKING FOAM MATERIAL COMPRISING THE STEPS OF MIXING 99% PURE NICKEL POWDER OF 9K% MINUS 325 MESH SIZE WITH A 100% SOLIDS METHYL PHENYL SILANE RESIN, HEATING THE RESULTING MIXTURE TO 400*F. FOR FROM ONE TO TWO HOURS TO CAUSE FORMING, PLACING THE MATERIAL IN A HYDROGEN ATMOSPHERE RETORT AT 800*F. AND HEATING SLOWLY OVER A PERIOD OF FROM TWO TO FIVE HOURS TO 1200*F., HOLDING AT 1200*F. FOR FROM ONE AND ONE-HALF TO TWO HOURS, INCREASING THE RETORT TEMPERATURE SLOWLY TO BETWEEN 1800 AND 2400*F. AND HOLDING AT THE LATTER TEMPERATURE BETWEEN ONE AND EIGHT HOURS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |