US3088319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for determining molecular weight
Assignee: 3M Co
•
Filing: 1959-08-20
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Granted: 1963-05-07
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Expires: 1979-08-20
Abstract
No abstract record available.
Inventors
- 👤 John J Neumayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:34
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; G01N25/20; G01N25/48; G01N7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
IN AN APPARATUS FOR DETERMINING MOLECULAR WEIGHT OF A SOLUTE BY DETERMINATION OF THE DIFFERENCE IN EQUILIBRIUM TEMPERATURE BETWEEN SOLVENT AND SOLUTION IN AN ATMOSPHERE SATURATED WITH SOLVENT VAPOR, A TEMPERATURE SENSING MEANS BEARING NON-SOLVENT-ABSORBENT MEANS OF HIGH THERMAL CONDUCTIVITY IN CONTACT WITH, COEXTENSIVE
Claim 2
Dependent Claim
44 words
IN AN APPARATUS FOR DETERMINING MOLECULAR WEIGHT OF A SOLUTE BY DETERMINATION OF THE DIFFERENCE IN EQUILIBRIUM TEMPERATURE BETWEEN SOLVENT AND SOLUTION IN AN ATMOSPHERE SATURATED WITH SOLVENT VAPOR, A TEMPERATURE SENSING MEANS BEARING NON-SOLVENT-ABSORBENT MEANS OF HIGH THERMAL CONDUCTIVITY IN CONTACT WITH, COEXTENSIVE
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |