US3187569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flow meter
Assignee: Individual
•
Filing: 1962-10-22
•
Granted: 1965-06-08
•
Expires: 1982-10-22
Abstract
No abstract record available.
Inventors
- 👤 Los Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:14
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/68; G01F1/684; G01F1/6847
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
A CALORIC MASS FLOW METER, COMPRISING A PLURALITY OF PARALLEL TUBE MEMBERS FOR CONDUCTING A MASS FLOW, TWO BLOCKS OF THE HEAT WELL CONDUCTING MATERIAL, SAID BLOCKS BEING PROVIDED AT THE ENDS OF SAID TUBE MEMBERS AND ADAPTED TO PRODUCE EQUAL TEMPERATURE DIFFERENCES ALONG THE PORTIONS OF SAID TUBE MEMBERS EXTENDING BETWEN SAID BLOCKS AND TEMPERATURE SENSITIVE RESISTANCE ELEMENTS ATTACHED IN GOOD THERMAL CONTACT TO SAID TUBE MEMBERS, SAID TUBE MEMBERS BEING PROVIDED IN AT LEAST TWO GROUPS OF AT LEAST TWO TUBE MEMBERS WHICH EXTEND CLOSELY TOGETHER SIDE BY SIDE AND THE TEMPERATURE SENSITIVE RESISTANCE ELEMENTS OF THE TUBE MEMBERS OF EACH INDIVIDUAL GROUP BEING ADAPTED TO BE INSERTED IN AND TO FORM PART OF AN ELECTRIC COMPARISON DEVICE.
References Cited (Backward Citations)
US2594618A
Cited
US2946220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |