Patent US2828938A successfully refreshed from Google Patents.
US2828938A
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US
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Turbine spindle bearing
Assignee: Individual
•
Filing: 1955-05-03
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Granted: 1958-04-01
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Expires: 1975-05-03
Abstract
No abstract record available.
Inventors
- 👤 Roesch Adolf
- 👤 Sonnet Hermann
- 👤 Muth Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:09
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/50; F01; F01D; F01D25/00; F01D25/16; F16C19/54; F16C35/00; F16C35/08; F16C35/12; F16H; F16H13/00; F16H13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR964750A
Cited
US1660489A
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US1827968A
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US2053425A
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US2067155A
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US2189615A
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US2382526A
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US2577180A
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US2638310A
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US2676276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |