Patent US3472564A successfully refreshed from Google Patents.
US3472564A
Expired / Lapsed
US
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Bearing device for straight-line guiding of objective components
Assignee: Individual
•
Filing: 1968-03-07
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Granted: 1969-10-14
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Expires: 1988-03-07
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Kellner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:12
CPC Classifications
F; F16; F16C; F16C29/00; G; G03; G03B; G03B3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3240244A
Cited
US2938444A
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US3273945A
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US3039834A
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US3113441A
Cited
US3333513A
Cited
US3254585A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |