US3256736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid meters
Assignee: Rockwell Manufacturing Co
•
Filing: 1962-11-07
•
Granted: 1966-06-21
•
Expires: 1982-11-07
Abstract
No abstract record available.
Inventors
- 👤 Winston F Z Lee
- 👤 Harry W Fisher
- 👤 Richard L Crumley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:04
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/06; G01F1/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
IN A FLUID FLOW METER, A HOUSING FORMED INTERNALLY WITH A ROTOR CHAMBER HAVING INLET AND OUTLET OPENINGS, A FLUID TIGHT REGISTER ASSEMBLY RIGIDLY MOUNTED ON SAID HOUSING WITH ITS REGISTER PORTION DISPOSED OUTSIDE SAID CHAMBER AND HAVING A PART PROJECTING THROUGH SAID HOUSING INTO SAID CHAMBER, A ROTOR SUPPORTED WHOLLY BY SAID PART WITHIN SAID CHAMBER FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY NORMAL TO THE DIRECTION OF FLOW OF FLUID THROUGH SAID CHAMBER AND ADAPTED TO BE DRIVEN BY FLUID FLOW THROUGH SAID CHAMBER, AND COACTING MAGNETIC DRIVE MEANS ON THE ROTOR AND WITHIN SAID PART FOR TRANSMITTING SAID ROTATION OF SAID ROTOR TO ACTUATE THE REGISTER.
Claim 2
Dependent Claim
108 words
IN A FLUID FLOW METER, A HOUSING FORMED INTERNALLY WITH A ROTOR CHAMBER HAVING INLET AND OUTLET OPENINGS, A FLUID TIGHT REGISTER ASSEMBLY RIGIDLY MOUNTED ON SAID HOUSING WITH ITS REGISTER PORTION DISPOSED OUTSIDE SAID CHAMBER AND HAVING A PART PROJECTING THROUGH SAID HOUSING INTO SAID CHAMBER, A ROTOR SUPPORTED WHOLLY BY SAID PART WITHIN SAID CHAMBER FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY NORMAL TO THE DIRECTION OF FLOW OF FLUID THROUGH SAID CHAMBER AND ADAPTED TO BE DRIVEN BY FLUID FLOW THROUGH SAID CHAMBER, AND COACTING MAGNETIC DRIVE MEANS ON THE ROTOR AND WITHIN SAID PART FOR TRANSMITTING SAID ROTATION OF SAID ROTOR TO ACTUATE THE REGISTER.
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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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |