Patent US20030154988A1 successfully refreshed from Google Patents.
US3218981A
Expired / Lapsed
US
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Device for stabilising a rotatable body
Assignee: Individual
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Filing: 1963-07-15
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Granted: 1965-11-23
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 Kierulf Birger Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:58
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0681; F16C32/0696; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0646; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C39/00; F16C39/04; G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; H; H02; H02K; H02K5/00; H02K5/04; H02K5/12; H02K5/128; Y; Y10; Y10S; Y10S415/00; Y10S415/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A DEVICE FOR THE STABILISATION OF A BODY ROTATABLY MOUNTED IN A LIQUID FLOW CONDUIT AND HAVING ITS AXIS OF ROTATION COINCIDING WITH THE MAIN DIRECTION OF THE LIQUID FLOW, COMPRISING A PAIR OF STATIONARY BODIES MOUNTED IN SPACED RELATION TO EITHER END SURFACE OF THE ROTATABLE BODY IN THE SAID DIRECTION FLOW AND EACH HAVING A SURFACE FACING THE ADJACENT SURFACE OF THE ROTATABLE BODY OF ESSENTIALLY CORRESPONDING SHAPE AS THE LATTER, SO AS TO MAKE ADJACENT SURFACES DEFINE A NARROW SLOT EXTENDING BETWEEEN THE ROTATABLE BODY AND EITHER OF THE TWO STATIONARY BODIES SUBSTANTIALLY RADIALLY TO THE SAID AXIS OF ROTATION, THE SAID ROTATABLE BODY AND AT LEAST ONE OF THE SAID TWO STATIONARY BODIES BEING PROVIDED WITH AT LEAST ONE BORE EXTENDING GENERALLY PARALLELLY TO
Claim 2
Independent Claim
128 words
A DEVICE FOR THE STABILISATION OF A BODY ROTATABLY MOUNTED IN A LIQUID FLOW CONDUIT AND HAVING ITS AXIS OF ROTATION COINCIDING WITH THE MAIN DIRECTION OF THE LIQUID FLOW, COMPRISING A PAIR OF STATIONARY BODIES MOUNTED IN SPACED RELATION TO EITHER END SURFACE OF THE ROTATABLE BODY IN THE SAID DIRECTION FLOW AND EACH HAVING A SURFACE FACING THE ADJACENT SURFACE OF THE ROTATABLE BODY OF ESSENTIALLY CORRESPONDING SHAPE AS THE LATTER, SO AS TO MAKE ADJACENT SURFACES DEFINE A NARROW SLOT EXTENDING BETWEEEN THE ROTATABLE BODY AND EITHER OF THE TWO STATIONARY BODIES SUBSTANTIALLY RADIALLY TO THE SAID AXIS OF ROTATION, THE SAID ROTATABLE BODY AND AT LEAST ONE OF THE SAID TWO STATIONARY BODIES BEING PROVIDED WITH AT LEAST ONE BORE EXTENDING GENERALLY PARALLELLY TO
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |