Patent US3201993A successfully refreshed from Google Patents.
US3201993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas sampling apparatus
Assignee: OI Glass Inc
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Filing: 1963-02-04
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Granted: 1965-08-24
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Expires: 1983-02-04
Abstract
No abstract record available.
Inventors
- 👤 Oliver C Moody
- 👤 Davis I Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:09
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/22; G01N1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A GAS SAMPLING TUBE ASSEMBLY FOR WITHDRAWING A SAMPLE OF FLUE GAS FROM A FURNACE STACK; SAID ASSEMBLY CONSISTING OF A FIRST ELONGATE HOLLOW OUTER TUBULAR MEMBER CLOSED AT ONE END AND HAVING AN OPENING THROUGH ITS WALL AT A LOCATION SPACED FROM SAID ONE END, A SECOND ELONGATED HOLLOW TUBULAR MEMBER OPEN AT BOTH ENDS CONELONGATE HOLLOW TUBULAR MEMBER OPEN AT BOTH ENDS CONCENTRICALLY MOUNTED WITHIN SAID FIRST MEMBER TO DEFINE SIDE OF SAID FIRST MEMBER AND THE OUTER SIDE OF SAID SECOND MEMBER, ONE END OF SAID SECOND MEMBER BEING LONGITUDINALLY LOCATED WITHIN SAID FIRST MEMBER AT A LOCATION BETWEEN SAID ONE END OF SAID FIRST MEMBER AND SAID OPENING, SAID SECOND MEMBER HAVING ADJACENT SAID ONE END THEREOF A PLURALITY OF RADIALLY EXTENDING PROTUBERANCES ENGAGING THE WALL OF SAID FIRST MEMBER TO SUPPORT SAID SECOND MEMBER IN SPACED RELATION TO SAID FIRST MEMBER,
Claim 2
Dependent Claim
146 words
A GAS SAMPLING TUBE ASSEMBLY FOR WITHDRAWING A SAMPLE OF FLUE GAS FROM A FURNACE STACK; SAID ASSEMBLY CONSISTING OF A FIRST ELONGATE HOLLOW OUTER TUBULAR MEMBER CLOSED AT ONE END AND HAVING AN OPENING THROUGH ITS WALL AT A LOCATION SPACED FROM SAID ONE END, A SECOND ELONGATED HOLLOW TUBULAR MEMBER OPEN AT BOTH ENDS CONELONGATE HOLLOW TUBULAR MEMBER OPEN AT BOTH ENDS CONCENTRICALLY MOUNTED WITHIN SAID FIRST MEMBER TO DEFINE SIDE OF SAID FIRST MEMBER AND THE OUTER SIDE OF SAID SECOND MEMBER, ONE END OF SAID SECOND MEMBER BEING LONGITUDINALLY LOCATED WITHIN SAID FIRST MEMBER AT A LOCATION BETWEEN SAID ONE END OF SAID FIRST MEMBER AND SAID OPENING, SAID SECOND MEMBER HAVING ADJACENT SAID ONE END THEREOF A PLURALITY OF RADIALLY EXTENDING PROTUBERANCES ENGAGING THE WALL OF SAID FIRST MEMBER TO SUPPORT SAID SECOND MEMBER IN SPACED RELATION TO SAID FIRST MEMBER,
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |