Patent US3404264A successfully refreshed from Google Patents.
US3404264A
Expired / Lapsed
US
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Telemetering system for determining rate of flow
Assignee: Elster American Meter Co LLC
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Filing: 1965-07-19
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Granted: 1968-10-01
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Carl J Kugler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:42
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A TELEMETERING SYSTEM COMPRISING A FIRST STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A FIRST QUANTITY, A FIRST SWITCH ACTUATED BY THE FIRST STYLUS, A SECOND STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A SECOND QUANTITY, A SECOND SWITCH ACTUATED BY THE SECOND STYLUS, FIRST AND SECOND CAMS ROTATED AT A SYNCHRONOUS SPEED, SAID FIRST CAM COOPERATING WITH THE FIRST STYLUS AND HAVING A LOGARITHMIC SURFACE WHEREBY THE FIRST SWITCH IS ACTUATED FOR A FIRST INTERVAL CORRESPONDING TO THE LOGARITHM OF THE FIRST QUANTITY, SAID SECOND CAM HAVING A LOGARITHMIC SURFACE COOPERATING WITH THE SECOND STYLUS WHEREBY THE SECOND SWITCH IS ACTUATED FOR A SECOND INTERVAL COR-
Claim 2
Dependent Claim
109 words
A TELEMETERING SYSTEM COMPRISING A FIRST STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A FIRST QUANTITY, A FIRST SWITCH ACTUATED BY THE FIRST STYLUS, A SECOND STYLUS POSITIONED IN ACCORDANCE WITH THE VALUE OF A SECOND QUANTITY, A SECOND SWITCH ACTUATED BY THE SECOND STYLUS, FIRST AND SECOND CAMS ROTATED AT A SYNCHRONOUS SPEED, SAID FIRST CAM COOPERATING WITH THE FIRST STYLUS AND HAVING A LOGARITHMIC SURFACE WHEREBY THE FIRST SWITCH IS ACTUATED FOR A FIRST INTERVAL CORRESPONDING TO THE LOGARITHM OF THE FIRST QUANTITY, SAID SECOND CAM HAVING A LOGARITHMIC SURFACE COOPERATING WITH THE SECOND STYLUS WHEREBY THE SECOND SWITCH IS ACTUATED FOR A SECOND INTERVAL COR-
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) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |