US3087335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow rate indicator
Assignee: Individual
•
Filing: 1960-05-23
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Granted: 1963-04-30
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Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 David K Cavenah
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:00
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/52; E; E04; E04H; E04H4/00; E04H4/12; E04H4/1209; E04H4/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN COMBINATION, A PIVOTALLY MOUNTED WEIR AND A FLOW INDICATOR MOUNTED UPON SAID WEIR IN THE PATH OF FLUID FLOW, SAID INDICATOR COMPRISING A DEPTH GAUGE HAVING CONTINUOUS ARCUATE LINES OF GRADUATION ARRANGED SPECIFIC DISTANCES ABOVE THE EXISTENT TOP SURFACE OF SAID WEIR, SAID LINES EXTENDING IN DIRECTIONS NORMAL TO THE PIVOT AXIS OF SAID WEIR, THEREBY INDICATING PARTICULAR FLUID FLOWS IRRESPECTIVE OF THE ANGULAR POSITION OF SAID WEIR.
Claim 2
Dependent Claim
69 words
IN COMBINATION, A PIVOTALLY MOUNTED WEIR AND A FLOW INDICATOR MOUNTED UPON SAID WEIR IN THE PATH OF FLUID FLOW, SAID INDICATOR COMPRISING A DEPTH GAUGE HAVING CONTINUOUS ARCUATE LINES OF GRADUATION ARRANGED SPECIFIC DISTANCES ABOVE THE EXISTENT TOP SURFACE OF SAID WEIR, SAID LINES EXTENDING IN DIRECTIONS NORMAL TO THE PIVOT AXIS OF SAID WEIR, THEREBY INDICATING PARTICULAR FLUID FLOWS IRRESPECTIVE OF THE ANGULAR POSITION OF SAID WEIR.
References Cited (Backward Citations)
US1056178A
Cited
US2826307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |