Patent US3401567A successfully refreshed from Google Patents.
US3401567A
Expired / Lapsed
US
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Gyroscopes
Assignee: General Electric Co
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Filing: 1964-10-12
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Granted: 1968-09-17
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Expires: 1984-10-12
Abstract
No abstract record available.
Inventors
- 👤 Paul B Boswell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:24
CPC Classifications
G; G01; G01C; G01C19/00; G01C19/02; G01C19/04; G01C19/16; G01C19/20; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A GYROSCOPE COMPRISING A ROTATABLE CASING, A GYROSCOPIC ELEMENT DISPOSED THEREIN, SAID CASING BEING PARTIALLY FILLED WITH A SUSPENDING LIQUID FOR THE GYROSCOPIC ELEMENT, MEANS FOR DISPOSING A SECOND FLUID HAVING A DENSITY LESS THAN THAT OF THE SUSPENDING LIQUID AT ONE AXIAL END OF THE CASING, MEANS FOR ROTATING THE CASING TO ENTRAP THE SECOND FLUID IN A COLUMN AT SAID ONE AXIAL END, AND MEANS FOR DISCHARGING A SECOND PORTION OF SAID SECOND FLUID INTO THE OPPOSITE AXIAL END OF SAID CASING TO FORM A SECOND COLUMN OF THE SECOND FLUID THEREBY POSITIONING THE GYROSCOPIC ELEMENT IN AN AXIAL SENSE RELATIVE TO THE CASING.
Claim 2
Dependent Claim
106 words
A GYROSCOPE COMPRISING A ROTATABLE CASING, A GYROSCOPIC ELEMENT DISPOSED THEREIN, SAID CASING BEING PARTIALLY FILLED WITH A SUSPENDING LIQUID FOR THE GYROSCOPIC ELEMENT, MEANS FOR DISPOSING A SECOND FLUID HAVING A DENSITY LESS THAN THAT OF THE SUSPENDING LIQUID AT ONE AXIAL END OF THE CASING, MEANS FOR ROTATING THE CASING TO ENTRAP THE SECOND FLUID IN A COLUMN AT SAID ONE AXIAL END, AND MEANS FOR DISCHARGING A SECOND PORTION OF SAID SECOND FLUID INTO THE OPPOSITE AXIAL END OF SAID CASING TO FORM A SECOND COLUMN OF THE SECOND FLUID THEREBY POSITIONING THE GYROSCOPIC ELEMENT IN AN AXIAL SENSE RELATIVE TO THE CASING.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-17 | 1972-03-18 | 1972-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-17 | 1976-03-18 | 1976-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-17 | 1980-03-18 | 1980-09-17 | $7700.00 | Window Closed / Lapsed |