US2555327A
Expired / Lapsed
US
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Gas analyzing apparatus
Assignee: Individual
•
Filing: 1948-11-24
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Granted: 1951-06-05
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Expires: 1968-11-24
Abstract
No abstract record available.
Inventors
- 👤 Myron A Elliott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/35; G01N21/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
APPARATUS FOR DETECTING DIFFERENCES IN THE RESPECTIVE INTENSITIES OF TWO BEAMS OF INFA-RED RADIATION COMPRISING A SEALED CONNECTING CHAMBER, A PAIR OF DETECTOR GAS CELLS EACH PROVIDED WITH JET-ORIFICE MEANS, SAID CELLS BEING DISPOSED WITH THEIR RESPECTIVE JET-ORIFICE MEANS TERMINATING WITHIN SAID CHAMBER AND SPACED IN OPPOSITION ON A COMMON AXIS, A GAS ABSORPTIVELY SENSITIVE TO THE SAID INFRA-RED RADICATION-DISPOSED IN EACH OF SAID CELLS, AN OPAQUE LOW INERTIA VANE ROTATABLY MOUNTED TRANSVERSELY TO THE AFORESAID COMMON AXIS AND ROTATIONALLY RESPONSIVE TO OPPOSING JETS OF GAS ISSUING FROM SAID JET-ORIFICES, A LIGHT SOURCE ADAPTED TO PROJECT A BEAM OF LIGHT POSITIONED TO CONTAIN SAID VANE IN ITS PATH, AND PHOTOELECTRIC CELL MEANS DISPOSED TO RECEIVE LIGHT MODULATED BY SAID VANE AND OPERATIVELY RESPONSIVE TO THE QUANTITY OF SAID LIGHT AND THUS TO THE ROTATIONAL POSITION OF SAID MIRROR.
Claim 2
Dependent Claim
138 words
APPARATUS FOR DETECTING DIFFERENCES IN THE RESPECTIVE INTENSITIES OF TWO BEAMS OF INFA-RED RADIATION COMPRISING A SEALED CONNECTING CHAMBER, A PAIR OF DETECTOR GAS CELLS EACH PROVIDED WITH JET-ORIFICE MEANS, SAID CELLS BEING DISPOSED WITH THEIR RESPECTIVE JET-ORIFICE MEANS TERMINATING WITHIN SAID CHAMBER AND SPACED IN OPPOSITION ON A COMMON AXIS, A GAS ABSORPTIVELY SENSITIVE TO THE SAID INFRA-RED RADICATION-DISPOSED IN EACH OF SAID CELLS, AN OPAQUE LOW INERTIA VANE ROTATABLY MOUNTED TRANSVERSELY TO THE AFORESAID COMMON AXIS AND ROTATIONALLY RESPONSIVE TO OPPOSING JETS OF GAS ISSUING FROM SAID JET-ORIFICES, A LIGHT SOURCE ADAPTED TO PROJECT A BEAM OF LIGHT POSITIONED TO CONTAIN SAID VANE IN ITS PATH, AND PHOTOELECTRIC CELL MEANS DISPOSED TO RECEIVE LIGHT MODULATED BY SAID VANE AND OPERATIVELY RESPONSIVE TO THE QUANTITY OF SAID LIGHT AND THUS TO THE ROTATIONAL POSITION OF SAID MIRROR.
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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |