Patent US3584853A successfully refreshed from Google Patents.
Patent US2908820A successfully refreshed from Google Patents.
US2908820A
Expired / Lapsed
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Analyzer and sampling system
Assignee: Phillips Petroleum Co
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Filing: 1957-10-28
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Granted: 1959-10-13
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Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 James R Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:32
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274; G01N21/31; G01N21/35; G01N21/3504
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
IN A SYSTEM FOR ANALYZING SEQUENTIALLY A PLURALITY OF FLUID STREAMS, VALVE CONTROL AND STREAM INDICATING MEANS COMPRISING A PLURALITY OF CONDUITS ADAPTED TO PASS THE STREAMS UNDER CONSIDERATION TO AN ANALYZER UNIT, A VALVE DISPOSED IN EACH OF SAID CONDUITS, SWITCHING MEANS FOR OPENING SAID VALVES IN A SEQUENTIAL MANNER, A ROTATABLE MEMBER, AND MEANS FOR ROTATING SAID MEMBER RESPONSIVE TO SAID SWITCHING MEANS SO THAT THE POSITION OF SAID MEMBER REPRESENTS THE PARTICULAR STREAM BEING PASSED TO THE ANALYZER UNIT.
Claim 2
Dependent Claim
82 words
IN A SYSTEM FOR ANALYZING SEQUENTIALLY A PLURALITY OF FLUID STREAMS, VALVE CONTROL AND STREAM INDICATING MEANS COMPRISING A PLURALITY OF CONDUITS ADAPTED TO PASS THE STREAMS UNDER CONSIDERATION TO AN ANALYZER UNIT, A VALVE DISPOSED IN EACH OF SAID CONDUITS, SWITCHING MEANS FOR OPENING SAID VALVES IN A SEQUENTIAL MANNER, A ROTATABLE MEMBER, AND MEANS FOR ROTATING SAID MEMBER RESPONSIVE TO SAID SWITCHING MEANS SO THAT THE POSITION OF SAID MEMBER REPRESENTS THE PARTICULAR STREAM BEING PASSED TO THE ANALYZER UNIT.
Claim 3
Dependent Claim
25 words
ANALYSIS APPARATUS COMPRISING AN ANALYZER ADAPTED TO PROVIDE AN OUTPUT ELECTRICAL SIGNAL REPRESENTATIVE OF THE FLUID BEING ANALYZED, A PLURALITY OF CONDUITS TO CONVEY A
Claim 4
Dependent Claim
25 words
ANALYSIS APPARATUS COMPRISING AN ANALYZER ADAPTED TO PROVIDE AN OUTPUT ELECTRICAL SIGNAL REPRESENTATIVE OF THE FLUID BEING ANALYZED, A PLURALITY OF CONDUITS TO CONVEY A
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) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |