Patent US3102423A successfully refreshed from Google Patents.
US3102423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flowmeter
Assignee: Honeywell Inc
•
Filing: 1960-06-13
•
Granted: 1963-09-03
•
Expires: 1980-06-13
Abstract
No abstract record available.
Inventors
- 👤 James H Prindle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:19
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
APPARATUS FOR MEASURING THE MASS RATE OF FLOW OF FLUID IN A FIRST STREAM IN A FIRST CONDUIT COMPRISING, IN COMBINATION: A CONSTANT VELOCITY PUMP; MEANS CONNECTING SAID PUMP SO AS TO CAUSE A SECOND STREAM OF FLOW TO FLOW THROUGH SAID FIRST STREAM BETWEEN SECOND CONDUITS SITUATED AT RIGHT ANGLES TO THE FIRST STREAM; AND MEANS
Claim 2
Dependent Claim
57 words
APPARATUS FOR MEASURING THE MASS RATE OF FLOW OF FLUID IN A FIRST STREAM IN A FIRST CONDUIT COMPRISING, IN COMBINATION: A CONSTANT VELOCITY PUMP; MEANS CONNECTING SAID PUMP SO AS TO CAUSE A SECOND STREAM OF FLOW TO FLOW THROUGH SAID FIRST STREAM BETWEEN SECOND CONDUITS SITUATED AT RIGHT ANGLES TO THE FIRST STREAM; AND MEANS
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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |