Patent US2209756A successfully refreshed from Google Patents.
Patent US2610107A successfully refreshed from Google Patents.
US2610107A
Expired / Lapsed
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Combustion analysis apparatus
Assignee: Individual
•
Filing: 1950-01-17
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Granted: 1952-09-09
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Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 George M Dreher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:19
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN COMBUSTION ANALYSIS APPARATUS INCLUDING A HEATING FURNACE HAVING INSULATED WALLS DEFINING A HEATING CHAMBER THEREIN, A COMBUSTION TUBE HAVING INLET AND OUTLET END PORTIONS EXTENDING THROUGH SAID WALLS AND A CENTER PORTION POSITIONED IN SAID CHAMBER, SAID CENTER PORTON HAVING ON ITS LOWER INTERNAL SURFACE A DEPRESSION PROVIDING SHOULDERS SPACED FROM EACH OTHER AXIALLY OF THE TUBE, AND A CYLINDRICAL PROTECTIVE LINER HAVING A LENGTH SLIGHTLY LESS THAN THE SPACING OF SAID SHOULDERS FOR INSERTION IN SAID TUBE TO A POSITION IN WHICH SAID SHOULDERS ACT AS ABUTMENTS FOR PREVENTING AXIAL DISPLACEMET OF THE
Claim 2
Dependent Claim
95 words
IN COMBUSTION ANALYSIS APPARATUS INCLUDING A HEATING FURNACE HAVING INSULATED WALLS DEFINING A HEATING CHAMBER THEREIN, A COMBUSTION TUBE HAVING INLET AND OUTLET END PORTIONS EXTENDING THROUGH SAID WALLS AND A CENTER PORTION POSITIONED IN SAID CHAMBER, SAID CENTER PORTON HAVING ON ITS LOWER INTERNAL SURFACE A DEPRESSION PROVIDING SHOULDERS SPACED FROM EACH OTHER AXIALLY OF THE TUBE, AND A CYLINDRICAL PROTECTIVE LINER HAVING A LENGTH SLIGHTLY LESS THAN THE SPACING OF SAID SHOULDERS FOR INSERTION IN SAID TUBE TO A POSITION IN WHICH SAID SHOULDERS ACT AS ABUTMENTS FOR PREVENTING AXIAL DISPLACEMET OF THE
References Cited (Backward Citations)
US1515237A
Cited
US2382301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |