US2746845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon train
Assignee: Individual
•
Filing: 1951-11-13
•
Granted: 1956-05-22
•
Expires: 1971-11-13
Abstract
No abstract record available.
Inventors
- 👤 Lloyd V Guild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:26
CPC Classifications
G; G01; G01N; G01N31/00; G01N31/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A CARBON TRAIN FOR ANALYZING CARBON BY COMBUSTION OF A SAMPLE AND PASSAGE OF THE GASSES OF COMBUSTION THROUGH THE CARBON TRAIN, A MOUNTING PANEL HAVING HOLES EXTENDING THROUGH IT, FITTING RECEIVED IN SAID HOLES AND SECURED TO SAID PANEL, A CARTRIDGE CONTAINING AN ABSORBENT FOR A CONSTITUENT OF THE GAS TO BE PASSED THERETHROUGH, SAID CARTRIDGE HAVING INTEGRAL SIDE ARMS EXTENDING IN THE SAME DIRECTION FROM THE CARTRIDGE END EXTENDING THROUGH THE HOLES IN SAID PANEL AND RECEIVED IN SAID FITTINGS, A RESILIENT PLUG IN THE OUTER END OF EACH SIDE ARM, AND A HOLLOW NEEDLE SECURED TO AND IMMOVABLE RELATIVE TO SAID FITTING AND ADAPTED TO PIERCE SAID RESILIENT PLUG WHEN SAID SIDE ARMS ARE INSERTED IN SAID FITTINGS.
Claim 2
Dependent Claim
122 words
IN A CARBON TRAIN FOR ANALYZING CARBON BY COMBUSTION OF A SAMPLE AND PASSAGE OF THE GASSES OF COMBUSTION THROUGH THE CARBON TRAIN, A MOUNTING PANEL HAVING HOLES EXTENDING THROUGH IT, FITTING RECEIVED IN SAID HOLES AND SECURED TO SAID PANEL, A CARTRIDGE CONTAINING AN ABSORBENT FOR A CONSTITUENT OF THE GAS TO BE PASSED THERETHROUGH, SAID CARTRIDGE HAVING INTEGRAL SIDE ARMS EXTENDING IN THE SAME DIRECTION FROM THE CARTRIDGE END EXTENDING THROUGH THE HOLES IN SAID PANEL AND RECEIVED IN SAID FITTINGS, A RESILIENT PLUG IN THE OUTER END OF EACH SIDE ARM, AND A HOLLOW NEEDLE SECURED TO AND IMMOVABLE RELATIVE TO SAID FITTING AND ADAPTED TO PIERCE SAID RESILIENT PLUG WHEN SAID SIDE ARMS ARE INSERTED IN SAID FITTINGS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-22 | 1959-11-21 | 1960-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-22 | 1963-11-21 | 1964-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-22 | 1967-11-21 | 1968-05-22 | $7700.00 | Window Closed / Lapsed |