Patent US3202886A successfully refreshed from Google Patents.
Patent US3036893A successfully refreshed from Google Patents.
US3036893A
Expired / Lapsed
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Automatic chemical analyzer
Assignee: Scientific Industries Inc
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Filing: 1960-03-14
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Granted: 1962-05-29
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Expires: 1980-03-14
Abstract
No abstract record available.
Inventors
- 👤 Natelson Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:21
CPC Classifications
G; G01; G01N; G01N35/00; G01N35/00009; B; B01; B01L; B01L7/00; F; F04; F04B; F04B43/00; F04B43/12; F04B43/1253; F04B43/1284; F04B43/1292; G01N21/00; G01N21/84; G01N21/8483; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; G01N33/50; G01N33/52; G01N33/525; Y; Y10; Y10T; Y10T436/00; Y10T436/14; Y10T436/142222; Y10T436/143333; Y10T436/144444
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
156 words
A METHOD OF AUTOMATICALLY ANALYZING SUBSTANCES, COMPRISING THE STEPS OF ASSEMBLING TWO ABSORBENT AND ONE POROUS TAPE OF EQUAL WIDTHS; FORMING CONFINED SPOTS ON ONE OF THE POROUS TAPES; PLACING A SAMPLE OF THE SUBSTANCE TO BE ANALYZED ON THE CONFINED SPOT; REVERSING THIS TAPE SO THAT THE CONFINED SPOT WITH THE SAMPLE IS FACE DOWN; PLACING THE TAPE WHICH HAS RECEIVED THE SAMPLE AND IS FACE DOWN OVER THE INTERMEDIATE POROUS TAPE AND PLACING THIRD TAPE ON THE OTHER SIDE OF THE INTERMEDIATE POROUS TAPE; PULLING THESE THREE TAPES UNDER SOME PRESSURE THROUGH A TRANSFER AND REACTION ZONE SO THAT SOME OF THE SAMPLE ON THE TAPE WHICH HAS RECEIVED THE SAMPLE WILL BE TRANSFERRED TO THE THIRD TEST TAPE THROUGH THE INTERMEDIATE POROUS TAPE; SEPARATING THE THREE TAPES; TREATING THE THIRD TEST TAPE WHICH NOW CONTAINS SOME OF THE SAMPLE IN A TREATING ZONE; AND, PASSING SAID THIRD TEST TAPE THROUGH A READING ZONE.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |