US2899280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fluid analysis
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:47
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/08; Y; Y10; Y10T; Y10T436/00; Y10T436/11; Y10T436/117497; Y10T436/118339
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A METHOD OF OBTAINING A QUANTITATIVE INDICATION OF A SUBSTANCE IN A LIQUID ACCORDING TO WHICH SAID LIQUID AND A PROCESSING LIQUID AND AIR ARE TRANSMITTED IN THE FORM OF A FLOWING STREAM IN A CONDUIT AND ACCORDING TO WHICH SAID AIR IS EFFECTIVE TO DIVIDE SAID STREAM INTO A SERIES OF SPACED LIQUID SEGMENTS SEPARATED FROM EACH OTHER BY INTERVENING SEGMENTS OF AIR, COMPRISING INTRODUCING SAID AIR INTO SAID CONDUIT AT A TIME NOT
Claim 2
Dependent Claim
76 words
IN A METHOD OF OBTAINING A QUANTITATIVE INDICATION OF A SUBSTANCE IN A LIQUID ACCORDING TO WHICH SAID LIQUID AND A PROCESSING LIQUID AND AIR ARE TRANSMITTED IN THE FORM OF A FLOWING STREAM IN A CONDUIT AND ACCORDING TO WHICH SAID AIR IS EFFECTIVE TO DIVIDE SAID STREAM INTO A SERIES OF SPACED LIQUID SEGMENTS SEPARATED FROM EACH OTHER BY INTERVENING SEGMENTS OF AIR, COMPRISING INTRODUCING SAID AIR INTO SAID CONDUIT AT A TIME NOT
References Cited (Backward Citations)
US2797149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |