US3295359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air sampler
Assignee: Controlled Environment Equipment Corp
•
Filing: 1963-11-20
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Granted: 1967-01-03
•
Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert D Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:59
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/2202; G01N2001/222; G01N2001/2223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
A PORTABLE AIR SAMPLER FOR SAMPLING THE AMOUNT OF CONTAMINANTS IN THE ATMOSPHERE IN AN ENCLOSURE COMPRISING A SEALED CASING, A PUMP, A MOTOR FOR SAID PUMP, AND A TIMER SWITCH IN THE CIRCUIT OF SAID MOTOR, SAID PUMP AND MOTOR BEING ENCLOSED WITHIN SAID SEALED CASING, A FLOW CONTROL VALVE OPERABLE FROM OUTSIDE SAID CASING TO CONTROL RATE OF FLOW, SAID TIMER SWITCH BEING OPERABLE FROM OUTSIDE THE CASING, AN AIR CONDUIT COMPRISING AN AIR INLET AND AN AIR OUTLET EXTENDING THROUGH SAID CASING AND CONDUIT MEANS PROVIDING COMMUNICATION BETWEEN SAID AIR INLET, SAID CONTROL VALVE, SAID VACUUM PUMP AND SAID AIR OUTLET, THE INLET OF SAID AIR CONDUIT LOCATED OUTSIDE OF SAID CASING HAVING A REPLACEABLE FILTER THEREIN TO COLLECT CONTAMINANTS IN THE SAMPLE OF ATMOSPHERE DRAWN THROUGH SAID SAMPLER BY SAID PUMP, THE OUTLET OF SAID AIR CONDUIT LOCATED OUTSIDE OF SAID CASING HAVING A REPLACEABLE FILTER THEREIN TO REMOVE ANY ADDITIONAL CONTAMINANTS PICKED UP BY SAID ATMOSPHERE DURING PASSAGE THEREOF THROUGH THE SAMPLER AND THEREBY PREVENT CONTAMINATION OF SAID ATMOSPHERE IN SAID ENCLOSURE BY SAID LAST MENTIONED CONTAMINANTS, SAID SEALED CASING PREVENTING THE ESCAPE OF CONTAMINANTS FROM SAID MOTOR AND PUMP TO SAID ATMOSPHERE IN SAID ENCLOSURE.
Claim 2
Dependent Claim
201 words
A PORTABLE AIR SAMPLER FOR SAMPLING THE AMOUNT OF CONTAMINANTS IN THE ATMOSPHERE IN AN ENCLOSURE COMPRISING A SEALED CASING, A PUMP, A MOTOR FOR SAID PUMP, AND A TIMER SWITCH IN THE CIRCUIT OF SAID MOTOR, SAID PUMP AND MOTOR BEING ENCLOSED WITHIN SAID SEALED CASING, A FLOW CONTROL VALVE OPERABLE FROM OUTSIDE SAID CASING TO CONTROL RATE OF FLOW, SAID TIMER SWITCH BEING OPERABLE FROM OUTSIDE THE CASING, AN AIR CONDUIT COMPRISING AN AIR INLET AND AN AIR OUTLET EXTENDING THROUGH SAID CASING AND CONDUIT MEANS PROVIDING COMMUNICATION BETWEEN SAID AIR INLET, SAID CONTROL VALVE, SAID VACUUM PUMP AND SAID AIR OUTLET, THE INLET OF SAID AIR CONDUIT LOCATED OUTSIDE OF SAID CASING HAVING A REPLACEABLE FILTER THEREIN TO COLLECT CONTAMINANTS IN THE SAMPLE OF ATMOSPHERE DRAWN THROUGH SAID SAMPLER BY SAID PUMP, THE OUTLET OF SAID AIR CONDUIT LOCATED OUTSIDE OF SAID CASING HAVING A REPLACEABLE FILTER THEREIN TO REMOVE ANY ADDITIONAL CONTAMINANTS PICKED UP BY SAID ATMOSPHERE DURING PASSAGE THEREOF THROUGH THE SAMPLER AND THEREBY PREVENT CONTAMINATION OF SAID ATMOSPHERE IN SAID ENCLOSURE BY SAID LAST MENTIONED CONTAMINANTS, SAID SEALED CASING PREVENTING THE ESCAPE OF CONTAMINANTS FROM SAID MOTOR AND PUMP TO SAID ATMOSPHERE IN SAID ENCLOSURE.
References Cited (Backward Citations)
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US2065970A
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US2484202A
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |