Patent US3321685A successfully refreshed from Google Patents.
Patent US3354714A successfully refreshed from Google Patents.
US3354714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine speedometer
Assignee: Raytheon Co
•
Filing: 1964-12-01
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Granted: 1967-11-28
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Expires: 1984-12-01
Abstract
No abstract record available.
Inventors
- 👤 Richard D Condon
- 👤 Harry A Gill
- 👤 Jr Melvin W Redmond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:03
CPC Classifications
G; G01; G01P; G01P5/00; G01P5/02; G01P5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN INSTRUMENT FOR MEASURING THE VELOCITY OF FLUID FLOW WHICH COMPRISES: A SUBSTANTIALLY CYLINDRICAL HOLLOW VERTICAL HOUSING; A REMOVABLY HOLLOW BODY POSITIONED WITHIN SAID HOUSING DEFINING A LOWER OPENING; STRUT MEANS PIVOTALLY MOUNTED ON SAID HOLLOW BODY, A FIRST END OF SAID STRUT MEANS BEING POSITIONED WITHIN SAID BODY AND A SECOND END EXTENDING INTO THE FLUID TO BE MEASURED; FLEXIBLE DIAPHRAGM MEANS ENCIRCLING SAID STRUT AND CLOSING SAID LOWER OPENING: CANTILEVER BEAM MEANS MOUNTED WITHIN SAID HOLLOW BODY, THE FREE END OF SAID BEAM MEANS BEING IN CONTACT WITH THE FIRST END OF SAID STRUT FOR FLEXURE OF SAID BEAM MEANS BY MOVEMENT OF SAID STRUT; ELECTRICAL
Claim 2
Dependent Claim
108 words
AN INSTRUMENT FOR MEASURING THE VELOCITY OF FLUID FLOW WHICH COMPRISES: A SUBSTANTIALLY CYLINDRICAL HOLLOW VERTICAL HOUSING; A REMOVABLY HOLLOW BODY POSITIONED WITHIN SAID HOUSING DEFINING A LOWER OPENING; STRUT MEANS PIVOTALLY MOUNTED ON SAID HOLLOW BODY, A FIRST END OF SAID STRUT MEANS BEING POSITIONED WITHIN SAID BODY AND A SECOND END EXTENDING INTO THE FLUID TO BE MEASURED; FLEXIBLE DIAPHRAGM MEANS ENCIRCLING SAID STRUT AND CLOSING SAID LOWER OPENING: CANTILEVER BEAM MEANS MOUNTED WITHIN SAID HOLLOW BODY, THE FREE END OF SAID BEAM MEANS BEING IN CONTACT WITH THE FIRST END OF SAID STRUT FOR FLEXURE OF SAID BEAM MEANS BY MOVEMENT OF SAID STRUT; ELECTRICAL
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |