Patent US4026239A successfully refreshed from Google Patents.
US4026239A
Expired / Lapsed
US
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Grease level indicator
Assignee: Kongsberg Gruppen ASA
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Filing: 1975-12-03
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Granted: 1977-05-31
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Expires: 1995-12-03
Abstract
Abstract A threaded plug in a grease filling opening on the periphery of a rotating sleeve is formed with a tube-shaped extension having lateral openings near its base, whereby the plug may be used as a grease level indicator.
Inventors
- 👤 Tore A. Andvig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:21
CPC Classifications
G; G01; G01F; G01F23/00; F; F16; F16D; F16D3/00; F16D3/16; F16D3/18; F16D3/185; F16D2300/00; F16D2300/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
In a rotating body which includes a quantity of grease therein forming a body/grease junction, said grease forming an annular ring therein, an indicator for indicating the thickness of said annular ring, said indicator comprising: means defining a radial opening through said rotating body; plug means for removably sealing said means defining a radial opening; tubular extension means, included on said plug means, for extending through said annular grease ring, said tubular extension means including inner and outer walls; and means defining an aperture in said tubular extension means for placing said inner and outer walls in communication at said body/grease junction.
Claim 2
Dependent Claim
102 words
In a rotating body which includes a quantity of grease therein forming a body/grease junction, said grease forming an annular ring therein, an indicator for indicating the thickness of said annular ring, said indicator comprising: means defining a radial opening through said rotating body; plug means for removably sealing said means defining a radial opening; tubular extension means, included on said plug means, for extending through said annular grease ring, said tubular extension means including inner and outer walls; and means defining an aperture in said tubular extension means for placing said inner and outer walls in communication at said body/grease junction.
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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) | 1980-05-30 | 1980-11-29 | 1981-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-30 | 1984-11-29 | 1985-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-30 | 1988-11-29 | 1989-05-31 | $7700.00 | Window Closed / Lapsed |