Patent US3091689A successfully refreshed from Google Patents.
US3091689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Analytical process and apparatus
Assignee: Alloyd Res Corp
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Filing: 1958-10-27
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Granted: 1963-05-28
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Expires: 1978-10-27
Abstract
No abstract record available.
Inventors
- 👤 Henry S Spacil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:30
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/005; G21; G21H; G21H5/00; G21H5/02; H; H01; H01J; H01J47/00; H01J47/08; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/207497; Y10T436/209163
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A SYSTEM FOR ANALYZING A CHEMICAL SAMPLE FOR OXYGEN, SAID SYSTEM COMPRISING A VAPORIZING ASSEMBLY, AN EVALUATING ASSEMBLY, A COLLECTING ASSEMBLY AND A DETECTING ASSEMBLY, SAID VAPORIZING ASSEMBLY INCLUDING A JACKET, A CRUCIBLE WITHIN SAID JACKET, A PREDETERMINED QUANTITY OF A LIQUIFIED INORGANIC MATERIAL WITHIN SAID CRUCIBLE, A RADIO FREQUENCY INDUCTION COIL SURROUNDING SAID JACKET FOR MAINTAINING SAID INROGANIC MATERIAL LIQUIFIED, SAID CRUCIBLE PRESENTING A SURFACE IN CONTACT WITH SAID LIQUIFIED INORGANIC MATERIAL, SAID SURFACE BEING COMPOSED OF A MATERIAL CONTAINING CARBON HAVING A RADIOACTIVITY OF FROM 0.1 TO 1000 MICROCURIES PER GRAM OF CARBON, A HEAT INSULATING SUPPORT BETWEEN SAID JACKET AND SAID CRUCIBLE, A RADIATION SHIELD SURROUNDING SAID CRUCIBLE WITHIN SAID JACKET, MEANS WITHIN SAID JACKET FOR PROPELLING A SPECIMEN INTO SAID LIQUIFIED INORGANIC MATERIAL, SAID EVACUATING ASSEMBLY INCLUDING A MERCURY DIFFUSION PUMP FOR EXHAUSTING GASEOUS PRODUCTS FROM SAID VAPORIZING SYSTEM, SAID COLLECTING SYSTEM PROVIDING A CONDUIT THROUGH WHICH SAID GASEOUS PRODUCTS ADVANCE FROM SAID MERCURY DIFFUSION PUMP AND AN AUXILIARY PUMP FOR CONTINUOUSLY EVACUATING SAID CONDUIT, SAID DETECTING SYSTEM INCLUDING A RADIOACTIVITY COUNTING UNIT CONTIGUOUS WITH SAID CONDUIT.
Claim 2
Independent Claim
181 words
A SYSTEM FOR ANALYZING A CHEMICAL SAMPLE FOR OXYGEN, SAID SYSTEM COMPRISING A VAPORIZING ASSEMBLY, AN EVALUATING ASSEMBLY, A COLLECTING ASSEMBLY AND A DETECTING ASSEMBLY, SAID VAPORIZING ASSEMBLY INCLUDING A JACKET, A CRUCIBLE WITHIN SAID JACKET, A PREDETERMINED QUANTITY OF A LIQUIFIED INORGANIC MATERIAL WITHIN SAID CRUCIBLE, A RADIO FREQUENCY INDUCTION COIL SURROUNDING SAID JACKET FOR MAINTAINING SAID INROGANIC MATERIAL LIQUIFIED, SAID CRUCIBLE PRESENTING A SURFACE IN CONTACT WITH SAID LIQUIFIED INORGANIC MATERIAL, SAID SURFACE BEING COMPOSED OF A MATERIAL CONTAINING CARBON HAVING A RADIOACTIVITY OF FROM 0.1 TO 1000 MICROCURIES PER GRAM OF CARBON, A HEAT INSULATING SUPPORT BETWEEN SAID JACKET AND SAID CRUCIBLE, A RADIATION SHIELD SURROUNDING SAID CRUCIBLE WITHIN SAID JACKET, MEANS WITHIN SAID JACKET FOR PROPELLING A SPECIMEN INTO SAID LIQUIFIED INORGANIC MATERIAL, SAID EVACUATING ASSEMBLY INCLUDING A MERCURY DIFFUSION PUMP FOR EXHAUSTING GASEOUS PRODUCTS FROM SAID VAPORIZING SYSTEM, SAID COLLECTING SYSTEM PROVIDING A CONDUIT THROUGH WHICH SAID GASEOUS PRODUCTS ADVANCE FROM SAID MERCURY DIFFUSION PUMP AND AN AUXILIARY PUMP FOR CONTINUOUSLY EVACUATING SAID CONDUIT, SAID DETECTING SYSTEM INCLUDING A RADIOACTIVITY COUNTING UNIT CONTIGUOUS WITH SAID CONDUIT.
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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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |