US2741516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cloth roll bearings for looms
Assignee: National Plastics Inc
•
Filing: 1952-07-29
•
Granted: 1956-04-10
•
Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Iii Christopher Van Deventer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:36
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/04; D03D49/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/4987; Y10T29/49876
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A BEARING COMPRISING A RIGID PLASTIC SUPPORTING STRUCTURE, A BEARING BLOCK ROTATABLY SEATED THEREON AND HAVING A JOURNAL SEAL THEREIN, SAID BEARING BLOCK BEING FORMED OF POROUS METAL IMPREGNATED WITH LUBRICANT.
Claim 2
Dependent Claim
31 words
A BEARING COMPRISING A RIGID PLASTIC SUPPORTING STRUCTURE, A BEARING BLOCK ROTATABLY SEATED THEREON AND HAVING A JOURNAL SEAL THEREIN, SAID BEARING BLOCK BEING FORMED OF POROUS METAL IMPREGNATED WITH LUBRICANT.
References Cited (Backward Citations)
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US1302757A
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US1966186A
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US1985781A
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US2315301A
Cited
US2289628A
Cited
US2496765A
Cited
US2562595A
Cited
US2614005A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |