Patent US3887528A successfully refreshed from Google Patents.
Patent US4022375A successfully refreshed from Google Patents.
US4022375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Centrifuge
Assignee: Thermo Fisher Scientific Oy
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Filing: 1976-02-04
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Granted: 1977-05-10
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Expires: 1996-02-04
Abstract
Abstract A laboratory centrifuge includes a housing and a support plate elastically mounted at the bottom of the housing. A rotor driven by an electric motor is mounted on the support plate together with a hood which surrounds the rotor. The motor, rotor and hood are rigidly connected for movement as a unit relative to the housing.
Inventors
- 👤 Osmo Antero Suovaniemi
- 👤 Jukka Topias Tervamaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
B; B04; B04B; B04B9/00; B04B9/12; B04B5/00; B04B5/04; B04B5/0407; B04B5/0414; B04B5/0421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A laboratory centrifuge comprising a housing having an interior bottom surface, a cover hinged to said housing, a support plate having an upper and a lower surface, a plurality of elastic elements attached between said lower surface of said support plate and said interior bottom surface of said housing to elastically support said plate, an electric motor mounted on said upper surface of said support plate, a bearing box and bearings mounted on said upper surface of said support plate, a shaft held by said bearings, a rotor mounted on said shaft, means for driving said rotor from said electric motor, and a protective hood mounted on said upper surface of said support plate and at least partially surrounding said rotor, whereby said motor, rotor and hood are rigidly connected to said upper surface of said support plate for movement therewith as a unit relative to said housing.
Claim 2
Dependent Claim
148 words
A laboratory centrifuge comprising a housing having an interior bottom surface, a cover hinged to said housing, a support plate having an upper and a lower surface, a plurality of elastic elements attached between said lower surface of said support plate and said interior bottom surface of said housing to elastically support said plate, an electric motor mounted on said upper surface of said support plate, a bearing box and bearings mounted on said upper surface of said support plate, a shaft held by said bearings, a rotor mounted on said shaft, means for driving said rotor from said electric motor, and a protective hood mounted on said upper surface of said support plate and at least partially surrounding said rotor, whereby said motor, rotor and hood are rigidly connected to said upper surface of said support plate for movement therewith as a unit relative to said housing.
References Cited (Backward Citations)
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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) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |