US3258964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flow meter
Assignee: Laboratory For Electronics Inc
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Filing: 1963-10-28
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Granted: 1966-07-05
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Nicholas A Zessoules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:02
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/56; G01F1/64; G01F1/76; G01F1/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A MASS FLOW METER COMPRISING: MEANS FOR CREATING IONS IN THE FLUID WHOSE MASS FLOW RATE IS TO BE METERED; MEAN TO DEFLECT SAID IONS RELATIVE TO THE DIRECTION OF FLOW OF THE FLUID; FIRST MEANS TO COLLECT IONS HAVING DEFLECT TIONS WITHIN A PREDETERMINED LIMITED RANGE; SECOND ION COLLECTION MEANS TO COLLECT IONS WHICH HAVE BEEN DEFLECTED MORE SHARPLY THAN THE IONS COLLECTED BY SAID FIRST-NAMED ION COLLECTION MEANS; MEANS TO DETERMINED THE RATE AT WHICH THE IONS ARE COLLECTED BY SAID FIRST ION COLLECTION MEANS; MEANS TO VARY THE STRENGTH OF SAID DEFLECTION MEANS TO THEREBY MAXIMIZE THE ION COLLECTION RATE; AND MEANS TO INDICATE THE MASS FLOW RATE OF THE FLUID IN TERMS OF THE STRENGTH OF SAID DEFLECTION MEANS CAUSING SAID MAXIMUM ION COLLECTION RATE.
Claim 2
Dependent Claim
129 words
A MASS FLOW METER COMPRISING: MEANS FOR CREATING IONS IN THE FLUID WHOSE MASS FLOW RATE IS TO BE METERED; MEAN TO DEFLECT SAID IONS RELATIVE TO THE DIRECTION OF FLOW OF THE FLUID; FIRST MEANS TO COLLECT IONS HAVING DEFLECT TIONS WITHIN A PREDETERMINED LIMITED RANGE; SECOND ION COLLECTION MEANS TO COLLECT IONS WHICH HAVE BEEN DEFLECTED MORE SHARPLY THAN THE IONS COLLECTED BY SAID FIRST-NAMED ION COLLECTION MEANS; MEANS TO DETERMINED THE RATE AT WHICH THE IONS ARE COLLECTED BY SAID FIRST ION COLLECTION MEANS; MEANS TO VARY THE STRENGTH OF SAID DEFLECTION MEANS TO THEREBY MAXIMIZE THE ION COLLECTION RATE; AND MEANS TO INDICATE THE MASS FLOW RATE OF THE FLUID IN TERMS OF THE STRENGTH OF SAID DEFLECTION MEANS CAUSING SAID MAXIMUM ION COLLECTION RATE.
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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |