US3186801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolyzer assembly
Assignee: AMERICAN INSTR CO Inc
•
Filing: 1962-06-04
•
Granted: 1965-06-01
•
Expires: 1982-06-04
Abstract
No abstract record available.
Inventors
- 👤 William C Hampton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:38
CPC Classifications
G; G01; G01N; G01N30/00; G01N30/02; G01N30/04; G01N30/06; G01N30/12; G01N1/00; G01N1/02; G01N1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A PYROLYZER FOR GAS CHROMATOGRAPHY COMPRISING A CHAMBER, A GAS OUTLET CONDUIT CONNECTED TO ONE WALL OF SAID CHAMBER, SAID CHAMBER HAVING AN OPPOSITE WALL FORMED WITH A LOADING PASSAGE LONGITUDINALLY ALIGNED WITH SAID GAS OUTLET CONDUIT, A SAMPLE TUBE SLIDABLY SUPPORTED IN SAID LOADING PASSAGE AND HAVING AN OPEN END PORTION RECEIVED IN SAID OUTLET CONDUIT, CLOSURE MEANS SEALINGLY DISPOSED IN SAID LOADING PASSAGE, A GAS INLET CONDUIT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AT A LOCATION SPACED FROM THE LOADING PASSAGE AND THE OUTLET CONDUIT CONNECTION, AND AN ELECTRICAL HEATING COIL MOUNTED IN SAID CHAMBER BETWEEN AND IN AXIAL ALIGMENT WITH SAID LOADING PASSAGE AND GAS OUTLET CONDUIT AND SURROUNDING THE SAMPLE TUBE.
Claim 2
Dependent Claim
114 words
A PYROLYZER FOR GAS CHROMATOGRAPHY COMPRISING A CHAMBER, A GAS OUTLET CONDUIT CONNECTED TO ONE WALL OF SAID CHAMBER, SAID CHAMBER HAVING AN OPPOSITE WALL FORMED WITH A LOADING PASSAGE LONGITUDINALLY ALIGNED WITH SAID GAS OUTLET CONDUIT, A SAMPLE TUBE SLIDABLY SUPPORTED IN SAID LOADING PASSAGE AND HAVING AN OPEN END PORTION RECEIVED IN SAID OUTLET CONDUIT, CLOSURE MEANS SEALINGLY DISPOSED IN SAID LOADING PASSAGE, A GAS INLET CONDUIT COMMUNICATIVELY CONNECTED TO SAID CHAMBER AT A LOCATION SPACED FROM THE LOADING PASSAGE AND THE OUTLET CONDUIT CONNECTION, AND AN ELECTRICAL HEATING COIL MOUNTED IN SAID CHAMBER BETWEEN AND IN AXIAL ALIGMENT WITH SAID LOADING PASSAGE AND GAS OUTLET CONDUIT AND SURROUNDING THE SAMPLE TUBE.
References Cited (Backward Citations)
US2126803A
Cited
US2332943A
Cited
US2382301A
Cited
US2686211A
Cited
US2831909A
Cited
US3036897A
Cited
US3057692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-31 | 1968-11-30 | 1969-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-31 | 1972-11-30 | 1973-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-31 | 1976-11-30 | 1977-06-01 | $7700.00 | Window Closed / Lapsed |