US2704230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-friction and sliding bearings
Assignee: HERBERT CLEMMENS
•
Filing: 1949-04-06
•
Granted: 1955-03-15
•
Expires: 1969-04-06
Abstract
No abstract record available.
Inventors
- 👤 Roschlau Fritz Franz Conrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:04
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/02; F16C19/14; F16C19/16; F16C17/00; F16C17/10; F16C33/00; F16C33/30; F16C33/58; F16C33/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49679; Y10T29/4968; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12236; Y10T428/12243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1093348A
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GB209101A
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GB217848A
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US1783791A
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US1776412A
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FR832430A
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CH239592A
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US2400374A
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US2491728A
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US2449944A
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US2614898A
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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) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |