US3214375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricated wicking material
Assignee: Permawick Co
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Filing: 1962-05-14
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Granted: 1965-10-26
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Berkeley Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:05
CPC Classifications
F; F21; F21V; F21V37/00; F21V37/0004; F21V37/002; F21V37/0025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A LUBRICATED WICKING MATERIAL COMPRISING A FIBER BLEND MIXED WITH A BEARING OIL AT A RATIO GREATER THAN ABOUT FOUR PARTS OIL TO ONE PART FIBER BLEND BY WEIGHT, SAID FIBER BLEND COMPRISING A BULK MIXTURE OF CELLULOSE FIBERS AND FIBERS WHICH ARE OLEOPHOBIC RELATIVE TO THE CELLULOSE FIBERS, THE PROPORTION OF SAID LAST-MENTIONED FIBERS RELATIVE TO SAID CELLULOSE FIBERS BEING SUFFICIENT TO SIGNIFICANTLY RAISE TO OIL RELEASE FACTOR OF SAID LUBRICATED WICKING MATERIAL ABOVE THE OIL RELEASE FACTOR OF A LUBRICATED WICKING MATERIAL HAVING OIL MIXED AT THE SAME RATIO WITH A FIBER LEND CONSISTING SOLELY OF SAID CELLULOSE FIBERS.
Claim 2
Dependent Claim
101 words
A LUBRICATED WICKING MATERIAL COMPRISING A FIBER BLEND MIXED WITH A BEARING OIL AT A RATIO GREATER THAN ABOUT FOUR PARTS OIL TO ONE PART FIBER BLEND BY WEIGHT, SAID FIBER BLEND COMPRISING A BULK MIXTURE OF CELLULOSE FIBERS AND FIBERS WHICH ARE OLEOPHOBIC RELATIVE TO THE CELLULOSE FIBERS, THE PROPORTION OF SAID LAST-MENTIONED FIBERS RELATIVE TO SAID CELLULOSE FIBERS BEING SUFFICIENT TO SIGNIFICANTLY RAISE TO OIL RELEASE FACTOR OF SAID LUBRICATED WICKING MATERIAL ABOVE THE OIL RELEASE FACTOR OF A LUBRICATED WICKING MATERIAL HAVING OIL MIXED AT THE SAME RATIO WITH A FIBER LEND CONSISTING SOLELY OF SAID CELLULOSE FIBERS.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |