US2724798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring characteristics of materials
Assignee: Beckman Coulter Inc
•
Filing: 1952-01-26
•
Granted: 1955-11-22
•
Expires: 1972-01-26
Abstract
No abstract record available.
Inventors
- 👤 George H Hare
- 👤 Everett W Molloy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:18
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
IN AN APPARATUS FOR MEASURING A CHARACTERISTIC OF A MATERIAL, THE COMBINATION OF: COUPLED OSCILLATOR AND LOAD CIRCUITS EACH INCLUDING AN INDUCTOR, SAID LOAD CIRCUIT INCLUDING A RECEPTACLE OF DIELECTRIC MATERIAL HAVING SPACED ELECTRODES OF ELECTRICALLY CONDUCTIVE MATERIAL PLATED THEREON; AND MEASURING MEANS CONNECTED TO SAID OSCILLATOR AND LOAD CIRCUITS, SAID MEASURING MEANS BEING CONNECTED TO SAID OSCILLATOR CIRCUIT AT AN INTERMEDIATE POINT ON SAID INDUCTOR OF SAID OSCILLATOR CIRCUIT.
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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) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |