Patent US5718281A successfully refreshed from Google Patents.
Patent US3350143A successfully refreshed from Google Patents.
US3350143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide bearing employing a fluorocarbon lubricant
Assignee: RCA Corp
•
Filing: 1965-03-17
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Granted: 1967-10-31
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Expires: 1985-03-17
Abstract
No abstract record available.
Inventors
- 👤 Lichowsky Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:18
CPC Classifications
F; F16; F16C; F16C29/00; F16C29/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
A SLIDE BEARING COMPRISING, IN COMBINATION, TWO STATIONARY BEARING ELEMENTS FORMED WITH POROUS METAL BEARING SURFACES, SAID BEARING SURFACES HAVING SLOTS OPENING THEREON, AND SAID TWO ELEMENTS BEING JOINED TO FORM AN OPENING, SURROUNDED BY SAID BEARING SURFACES, ADAPTED TO RECEIVE A MOVABLE BEARING ELEMENT; A LUBRICANT, COMPRISING A LUBRICATING FLUOROCARBON, LOCATED IN THE SLOTS OPENING ON THE BEARING SURFACES AND FLUSH WITH SAID SURFACES; A MOVABLE ELEMENT HAVING RELATIVELY HARD, RELATIVELY SMOOTH BEARING SURFACES WHICH CONFORM TO AND MATE WITH THE BEARING SURFACES DEFINING THE OPENING IN THE JOINED STATIONARY BEARING ELEMENTS, LOCATED IN SAID OPENING; AND
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |