Patent US3111024A successfully refreshed from Google Patents.
US3111024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas detecting apparatus
Assignee: Individual
•
Filing: 1960-08-11
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Granted: 1963-11-19
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Expires: 1980-08-11
Abstract
No abstract record available.
Inventors
- 👤 Emmett F Sarver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:23
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/14; G01N27/18; G01N1/00; G01N1/02; G01N1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A FLUID SAMPLING APPARATUS INCLUDING A HOUSING HAVING AN ANALYSIS CHAMBER DISPOSED THEREIN, A THROAT COMMUNICATING WITH SAID ANALYSIS CHAMBER, MEANS ASSOCIATED WITH SAID ANALYSIS CHAMBER FOR AUTOMATICALLY, ALTERNATELY INDUCING A RAPID EXHAUST OF FLUID THEREFROM AND A SLOW INTAKE OF FLUID THEREINTO, MEANS FOR DIRECTING THE FLUID FLOWING INTO AND OUT OF SAID ANALYSIS CHAMBER THROUGH SAID THROAT, AND A FILTER IN SAID THROAT, SAID FILTER HAVING A PLURALITY OF WIRES WITH UNSUPPORTED ENDS POINTED AGAINST THE DIRECTION OF FLUID FLOW INTO SAID CHAMBER, SAID UNSUPPORTED ENDS BEING SPACED THROUGHOUT THE CROSS-SECTIONAL AREA OF SAID THROAT AND ADAPTED TO TRAP PARTICLES THEREON WHICH ARE SUSPENDED IN THE FLUID ENTERING SAID APPARATUS DURING SAID SLOW INTAKE, THE DIRECTION OF POINTING OF SAID UNSUPPORTED ENDS PROMOTING THE SELF-CLEANING OF SAID FILTER DURING SAID RAPID EXHAUST.
Claim 2
Dependent Claim
135 words
IN A FLUID SAMPLING APPARATUS INCLUDING A HOUSING HAVING AN ANALYSIS CHAMBER DISPOSED THEREIN, A THROAT COMMUNICATING WITH SAID ANALYSIS CHAMBER, MEANS ASSOCIATED WITH SAID ANALYSIS CHAMBER FOR AUTOMATICALLY, ALTERNATELY INDUCING A RAPID EXHAUST OF FLUID THEREFROM AND A SLOW INTAKE OF FLUID THEREINTO, MEANS FOR DIRECTING THE FLUID FLOWING INTO AND OUT OF SAID ANALYSIS CHAMBER THROUGH SAID THROAT, AND A FILTER IN SAID THROAT, SAID FILTER HAVING A PLURALITY OF WIRES WITH UNSUPPORTED ENDS POINTED AGAINST THE DIRECTION OF FLUID FLOW INTO SAID CHAMBER, SAID UNSUPPORTED ENDS BEING SPACED THROUGHOUT THE CROSS-SECTIONAL AREA OF SAID THROAT AND ADAPTED TO TRAP PARTICLES THEREON WHICH ARE SUSPENDED IN THE FLUID ENTERING SAID APPARATUS DURING SAID SLOW INTAKE, THE DIRECTION OF POINTING OF SAID UNSUPPORTED ENDS PROMOTING THE SELF-CLEANING OF SAID FILTER DURING SAID RAPID EXHAUST.
References Cited (Backward Citations)
FR656495A
Cited
US1908334A
Cited
GB608196A
Cited
US2632525A
Cited
US2769506A
Cited
US2853873A
Cited
US2911821A
Cited
US2880611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-18 | 1967-05-20 | 1967-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-18 | 1971-05-20 | 1971-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-18 | 1975-05-20 | 1975-11-19 | $7700.00 | Window Closed / Lapsed |