US3228243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid flow meter
Assignee: Rockwell Manufacturing Co
•
Filing: 1961-11-07
•
Granted: 1966-01-11
•
Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Norman S Woolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:33
CPC Classifications
G; G01; G01F; G01F15/00; G01F15/06; G01F15/061; G01F15/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A FLUID FLOW METER HAVING FLOW MEASURING MEANS, MEANS OPERATIVELY CONNECTED TO AND MOVABLE FROM AN INITIAL POSITION ALONG A FIXED PATH BY SAID FLOW MEASURING MEANS, SELECTIVELY OPERABLE MEANS FOR RETURNING SAID MOVABLE MEANS ALONG SAID PATH TO SAID INITIAL POSITION, AND TRANSDUCER MEANS ASSOCIATED WITH SAID SELECTIVELY OPERABLE MEANS FOR CONVERTING THE DISTANCE SAID MOVABLE MEANS
Claim 2
Dependent Claim
58 words
A FLUID FLOW METER HAVING FLOW MEASURING MEANS, MEANS OPERATIVELY CONNECTED TO AND MOVABLE FROM AN INITIAL POSITION ALONG A FIXED PATH BY SAID FLOW MEASURING MEANS, SELECTIVELY OPERABLE MEANS FOR RETURNING SAID MOVABLE MEANS ALONG SAID PATH TO SAID INITIAL POSITION, AND TRANSDUCER MEANS ASSOCIATED WITH SAID SELECTIVELY OPERABLE MEANS FOR CONVERTING THE DISTANCE SAID MOVABLE MEANS
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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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |