US3098931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in determining particle size and distribution of particle size
Assignee: Evans Res and Dev Corp
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Filing: 1959-03-04
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Granted: 1963-07-23
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Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Seymour Z Lewin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:31
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/12; G01N15/00; G01N15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PARTICLE SIZE ANALYZER FOR USE IN OBTAINING DATA RELATING TO PARTICLE SIZE AND PARTICLE SIZE DISTRIBUTION WITH RESPCT TO A COMPOSITION HAING AN IMPERFCTLY ORDERED ARRANGEMENT OF PARTICLES, COMPRISING MEANS FOR APPLYING TO SAID COMPOSITION RADIANT ENERGY WHICH REACTS SUBSTANTIALLY SIMULTANEOUSLY WITH A PLURALITY OF SAID PARTICLES AND WHICH IS SENSITIVE TO THE SEVERAL PHASES OF THE COMPOSITION; MEANS FOR CONTROLLING THE DEGREE OF IRRADIATION BY
Claim 2
Dependent Claim
67 words
A PARTICLE SIZE ANALYZER FOR USE IN OBTAINING DATA RELATING TO PARTICLE SIZE AND PARTICLE SIZE DISTRIBUTION WITH RESPCT TO A COMPOSITION HAING AN IMPERFCTLY ORDERED ARRANGEMENT OF PARTICLES, COMPRISING MEANS FOR APPLYING TO SAID COMPOSITION RADIANT ENERGY WHICH REACTS SUBSTANTIALLY SIMULTANEOUSLY WITH A PLURALITY OF SAID PARTICLES AND WHICH IS SENSITIVE TO THE SEVERAL PHASES OF THE COMPOSITION; MEANS FOR CONTROLLING THE DEGREE OF IRRADIATION BY
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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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |