US3282102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow indicators
Assignee: ROSAEN NILS O TRUSTEE OF NILS O ROSAEN REVOCABLE TRUST DATED JUNE 5 1985
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Filing: 1966-02-07
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Granted: 1966-11-01
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Nils O Rosaen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:31
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A FLOW INDICATOR FOR A FLUID SYSTEM COMPRISING, (A) A HOUSING HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED WITH SAID SYSTEM, (B) A VANE MEMBER AND MEANS ROTATABLY MOUNTING SAID VANE MEMBER IN SAID HOUSING INTERMEDIATE SAID INLET AND SAID OUTLET, (C) SAID HOUSING BEING PROVIDED WITH AN INTERIOR WALL HAVING A SUBSTANTIALLY SEMI-SPHERICAL INNER SURFACE AND SAID VANE MEMBER HAVING A SUBSTANTIALLY SEMICIRCULAR EDGE ROTATABLE ADJACENT SAID SEMI-SPHERICAL SURFACE, (D) THE CENTER OF SAID SEMI-SPHERICAL SURFACE BEING DISPLACED FROM THE CENTER OF THE SEMI-SPHERE CIRCUMSCRIBED BY SAID CIRCULAR EDGE UPON ROTATION OF SAID VANE MEMBER WHEREBY THE SPACE BETWEEN SAID EDGE AND SAID SURFACE VARIES AT EACH ROTATED POSITION OF SAID VANE MEMBER, AND (E) MEANS INDICATING THE POSITION OF SAID VANE MEMBER EXTERIORLY OF SAID HOUSING.
Claim 2
Dependent Claim
131 words
A FLOW INDICATOR FOR A FLUID SYSTEM COMPRISING, (A) A HOUSING HAVING AN INLET AND AN OUTLET ADAPTED TO BE CONNECTED WITH SAID SYSTEM, (B) A VANE MEMBER AND MEANS ROTATABLY MOUNTING SAID VANE MEMBER IN SAID HOUSING INTERMEDIATE SAID INLET AND SAID OUTLET, (C) SAID HOUSING BEING PROVIDED WITH AN INTERIOR WALL HAVING A SUBSTANTIALLY SEMI-SPHERICAL INNER SURFACE AND SAID VANE MEMBER HAVING A SUBSTANTIALLY SEMICIRCULAR EDGE ROTATABLE ADJACENT SAID SEMI-SPHERICAL SURFACE, (D) THE CENTER OF SAID SEMI-SPHERICAL SURFACE BEING DISPLACED FROM THE CENTER OF THE SEMI-SPHERE CIRCUMSCRIBED BY SAID CIRCULAR EDGE UPON ROTATION OF SAID VANE MEMBER WHEREBY THE SPACE BETWEEN SAID EDGE AND SAID SURFACE VARIES AT EACH ROTATED POSITION OF SAID VANE MEMBER, AND (E) MEANS INDICATING THE POSITION OF SAID VANE MEMBER EXTERIORLY OF SAID HOUSING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |