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US3246522A
Expired / Lapsed
US
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Method for measuring pressure of gases
Assignee: Alcan Research and Development Ltd
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Filing: 1963-09-13
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Granted: 1966-04-19
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Expires: 1983-09-13
Abstract
No abstract record available.
Inventors
- 👤 Rapson Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:04
CPC Classifications
G; G01; G01L; G01L11/00; G01L11/002; G01L19/00; G01L19/0007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
AN INDIRECT METHOD OF MEASURING THE PRESSURE OF VAPOR AFFORDED BY A NORMALLY SOLD MATERIAL WHICH METHOD COMPRISES: PLACING A STREAM OF A NORMALLY GASEOUS MATERIAL AT MODERATE TEMPERATURE, IN DIRECT COMMUNICATION WITH SAID VAPORS, IN A SUBSTANTIALLY BALANCED FLOW CONDITION; AND
Claim 2
Dependent Claim
42 words
AN INDIRECT METHOD OF MEASURING THE PRESSURE OF VAPOR AFFORDED BY A NORMALLY SOLD MATERIAL WHICH METHOD COMPRISES: PLACING A STREAM OF A NORMALLY GASEOUS MATERIAL AT MODERATE TEMPERATURE, IN DIRECT COMMUNICATION WITH SAID VAPORS, IN A SUBSTANTIALLY BALANCED FLOW CONDITION; AND
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |