US3276846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the production of relatively pure oxygen
Assignee: UNIVERSELLE DE PROD CHIM ET D
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Filing: 1962-08-27
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Granted: 1966-10-04
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Expires: 1982-08-27
Abstract
No abstract record available.
Inventors
- 👤 Moni Jean
- 👤 Scdouy Philippe Le Chartier De
- 👤 Theveneau Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:21
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/08; C01B13/086; A; A62; A62B; A62B21/00; B; B63; B63C; B63C11/00; B63C11/02; B63C11/18; B63C11/184; C01B13/0203; C01B13/0218; C01B13/0296
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
AN APPARATUS FOR THE PREPARATION OF OXYGEN AT A RATE AND PURITY SUITABLE FOR PURPOSES OF RESPIRATION COMPRISING A HOUSING HAVING AN OUTLET ON ONE END, A PRESSURE RELIEF VALVE IN SAID HOUSING FOR THE RELEASE OF PRESSURES BEYOND A PREDETERMINED MINIMUM, A BODY OF REACTIVE INGREDIENTS IN THE FORM OF DRY AGGLOMERATES CONSISTING ESSENTIALLY OF THE MIXTURE OF AN ALKALI METAL CHLORATE, MANGANESE DIOXIDE AND MAGNESIUM, AT LEAST ONE IGNITION MEANS IN COMMUNICATION WITH SAID REACTIVE INGREDIENTS FOR INITIATION OF THE REACTION TO RELEASE OXYGEN, A FILTER LAYER BETWEEN THE MASS OF THE REACTIVE INGREDIENTS AND THE OUTLET FOR THE REMOVAL OF ENTRAINED PARTICLES FROM THE RELEASED GASES, A PACKING BETWEEN THE MASS OF REACTIVE INGREDIENTS AND THE WALLS OF THE HOUSING TO STABILIZE THE REACTIVE INGREDIENTS WITHIN THE HOUSING, A LAYER OF A MATERIAL BETWEEN THE MASS OF REACTIVE INGREDIENTS AND THE OUTLET OF THE HOUSING THROUGH WHICH THE RELEASED GASES PASS FOR REACTION TO REMOVE GASES OTHER THAN OXYGEN AND IN WHICH THE AMOUNT OF MAGNESIUM IN THE MIXTURE OF REACTIVE INGREDIENTS VARIES FROM A HIGHER CONCENTRATION ADJACENT THE IGNITION MEANS TO A LOWER CONCENTRATION SPACED FROM THE IGNITION MEANS AND IN WHICH THE AMOUNT OF MAGNESIUM IN THE PORTION SUBJECT TO INITATION OF THE REACTION RANGES FROM 3 TO 8 PERCENT WHILE THE AMOUNT OF MAGNERSIUM IN THE PORTIONS SPACED THEREFROM RANGES FROM 1.2 TO 8 PERCENT.
Claim 2
Independent Claim
231 words
AN APPARATUS FOR THE PREPARATION OF OXYGEN AT A RATE AND PURITY SUITABLE FOR PURPOSES OF RESPIRATION COMPRISING A HOUSING HAVING AN OUTLET ON ONE END, A PRESSURE RELIEF VALVE IN SAID HOUSING FOR THE RELEASE OF PRESSURES BEYOND A PREDETERMINED MINIMUM, A BODY OF REACTIVE INGREDIENTS IN THE FORM OF DRY AGGLOMERATES CONSISTING ESSENTIALLY OF THE MIXTURE OF AN ALKALI METAL CHLORATE, MANGANESE DIOXIDE AND MAGNESIUM, AT LEAST ONE IGNITION MEANS IN COMMUNICATION WITH SAID REACTIVE INGREDIENTS FOR INITIATION OF THE REACTION TO RELEASE OXYGEN, A FILTER LAYER BETWEEN THE MASS OF THE REACTIVE INGREDIENTS AND THE OUTLET FOR THE REMOVAL OF ENTRAINED PARTICLES FROM THE RELEASED GASES, A PACKING BETWEEN THE MASS OF REACTIVE INGREDIENTS AND THE WALLS OF THE HOUSING TO STABILIZE THE REACTIVE INGREDIENTS WITHIN THE HOUSING, A LAYER OF A MATERIAL BETWEEN THE MASS OF REACTIVE INGREDIENTS AND THE OUTLET OF THE HOUSING THROUGH WHICH THE RELEASED GASES PASS FOR REACTION TO REMOVE GASES OTHER THAN OXYGEN AND IN WHICH THE AMOUNT OF MAGNESIUM IN THE MIXTURE OF REACTIVE INGREDIENTS VARIES FROM A HIGHER CONCENTRATION ADJACENT THE IGNITION MEANS TO A LOWER CONCENTRATION SPACED FROM THE IGNITION MEANS AND IN WHICH THE AMOUNT OF MAGNESIUM IN THE PORTION SUBJECT TO INITATION OF THE REACTION RANGES FROM 3 TO 8 PERCENT WHILE THE AMOUNT OF MAGNERSIUM IN THE PORTIONS SPACED THEREFROM RANGES FROM 1.2 TO 8 PERCENT.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |