US3289481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas sampling device
Assignee: Hays Corp
•
Filing: 1964-12-24
•
Granted: 1966-12-06
•
Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Lyle K Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:31
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
APPARATUS FOR SECURING A SAMPLE OF GAS FROM AN ENCLOSURE HAVING A GASEOUS ATMOSPHERE CONTAINING SUSPENDED IMPURITIES, COMPRISING A CASING, GAS INLET MEANS COMMUNICATING WITH SAID CASING AND WITH SAID ENCLOSURE, SAID CASING HAVING AN IMPURITY OUTLET SPACED FROM SAID GAS INLET MEANS AND A GAS OUTLET MEANS LOCATED BETWEEN SAID GAS INLET MEANS AND IMPURITY OUTLET AND POSITIONED CENTRALLY IN SAID CASING AND SUBSTANTIALLY PARALLEL TO SAID INLET MEANS, MEANS FOR ASPIRATING GAS AND SUSPENDED INPURITIES INTO SAID CASING THROUGH SAID GAS INLET MEANS AND THROUGH SAID CASING PAST SAID GAS OUTLET MEANS TO SAID IMPURITY OUTLET, AND MEANS LOCATED IN SAID CASING BETWEEN SAID GAS INLET MEANS AND SAID GAS OUTLET MEANS FOR CENTRIFUGALLY SEPARATING IMPURITIES FROM GAS AND LATERALLY DEFLECTING SAID IMPURITIES IN SAID CASING IN A PATH CLEAR OF SAID GAS OUTLET MEANS AS GAS AND IMPURITIES ARE ADVANCED IN SAID CASING TOWARD SAID IMPURITY OUTLET.
Claim 2
Dependent Claim
150 words
APPARATUS FOR SECURING A SAMPLE OF GAS FROM AN ENCLOSURE HAVING A GASEOUS ATMOSPHERE CONTAINING SUSPENDED IMPURITIES, COMPRISING A CASING, GAS INLET MEANS COMMUNICATING WITH SAID CASING AND WITH SAID ENCLOSURE, SAID CASING HAVING AN IMPURITY OUTLET SPACED FROM SAID GAS INLET MEANS AND A GAS OUTLET MEANS LOCATED BETWEEN SAID GAS INLET MEANS AND IMPURITY OUTLET AND POSITIONED CENTRALLY IN SAID CASING AND SUBSTANTIALLY PARALLEL TO SAID INLET MEANS, MEANS FOR ASPIRATING GAS AND SUSPENDED INPURITIES INTO SAID CASING THROUGH SAID GAS INLET MEANS AND THROUGH SAID CASING PAST SAID GAS OUTLET MEANS TO SAID IMPURITY OUTLET, AND MEANS LOCATED IN SAID CASING BETWEEN SAID GAS INLET MEANS AND SAID GAS OUTLET MEANS FOR CENTRIFUGALLY SEPARATING IMPURITIES FROM GAS AND LATERALLY DEFLECTING SAID IMPURITIES IN SAID CASING IN A PATH CLEAR OF SAID GAS OUTLET MEANS AS GAS AND IMPURITIES ARE ADVANCED IN SAID CASING TOWARD SAID IMPURITY OUTLET.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |