US2839071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for rotary machines or engines with thrust bearings
Assignee: Licentia Patent Verwaltungs GmbH
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Filing: 1955-05-20
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Granted: 1958-06-17
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Expires: 1975-05-20
Abstract
No abstract record available.
Inventors
- 👤 Rosch Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:57
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0644; F01; F01D; F01D21/00; F01D21/04; F01D21/06; F16P; F16P7/00; F16P7/02; G; G01; G01L; G01L5/00; G01L5/12; G05; G05D; G05D13/00
Claims Analysis
Total Claims: 0
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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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |