US2836482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion analysis method and apparatus
Assignee: Individual
•
Filing: 1955-07-13
•
Granted: 1958-05-27
•
Expires: 1975-07-13
Abstract
No abstract record available.
Inventors
- 👤 George M Dreher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:07
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF COMBUSTION ANALYSIS OF FERROUS METALS COMPRISING THE STEPS OF SUPPORTING A NON-FERROUS NON-CARBON BEARING ELECTRICALLY CONDUCTING THIN METAL CRUCIBLE HAVING A METLING POINT BELOW 1500*F. UPON A BED OF GRANULAR CERAMIC MATERIAL WITHIN A CLOSED CERAMIC HOUSING, MOUNTING A FERROUS METAL SAMPLE IN THE CRUCIBLE, AND HEATING THE SAMPLE TO ABOUT 2000*F. BY INDUCTION COILS SURROUNDING THE HOUSING, FLOWING OXYGEN GAS INTO THE HOUSING INTO CONTRACT WITH THE HEATED SAMPLE FOR COMBUSTION THEREOF, AND REMOVING THE GASEOUS PRODUCTS OF COMBUSTION FROM THE HOUSING FOR COLLECTION AND ANALYSIS IN THE USUAL MANNER.
Claim 2
Independent Claim
94 words
A METHOD OF COMBUSTION ANALYSIS OF FERROUS METALS COMPRISING THE STEPS OF SUPPORTING A NON-FERROUS NON-CARBON BEARING ELECTRICALLY CONDUCTING THIN METAL CRUCIBLE HAVING A METLING POINT BELOW 1500*F. UPON A BED OF GRANULAR CERAMIC MATERIAL WITHIN A CLOSED CERAMIC HOUSING, MOUNTING A FERROUS METAL SAMPLE IN THE CRUCIBLE, AND HEATING THE SAMPLE TO ABOUT 2000*F. BY INDUCTION COILS SURROUNDING THE HOUSING, FLOWING OXYGEN GAS INTO THE HOUSING INTO CONTRACT WITH THE HEATED SAMPLE FOR COMBUSTION THEREOF, AND REMOVING THE GASEOUS PRODUCTS OF COMBUSTION FROM THE HOUSING FOR COLLECTION AND ANALYSIS IN THE USUAL MANNER.
References Cited (Backward Citations)
US705727A
Cited
US1721994A
Cited
US2039165A
Cited
US2195436A
Cited
US2332943A
Cited
US2336075A
Cited
US2638426A
Cited
US2686211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |