US2946094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making oil-impregnated machine parts from synthetic resin and the articles manufactured by said process
Assignee: Individual
•
Filing: 1956-06-11
•
Granted: 1960-07-26
•
Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Kawasaki Sozo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE PROCESS OF MANUFACTURING OIL-IMPREGNATED MACHINE PARTS FROM THERMOHARDENING SYNTHETIC RESIN WHICH COMPRISES FIRST IMPREGNATING A FIBROUS MATERIAL WITH A SOLUTION OF PARAFFIN CHLORIDE IN A SOLVENT, DRYING THE IMPREGNATED MATERIAL TO REMOVE THE SOLVENT, NEXT APPLYING A THERMO-HARDENING SYNTHETIC RESIN THE SAID IMPREGNATED FIBEOUS MATERIAL, NEXT DRYING AND MOLDING UNDER HEAT AND PRESSURE TO THE MATERIAL TO WHICH THE RESIN HAS BEEN APPLIED TO PROVIDE A POROUS STRUCTURE HAVING MINUTE HOLES THEREIN,
Claim 2
Dependent Claim
73 words
THE PROCESS OF MANUFACTURING OIL-IMPREGNATED MACHINE PARTS FROM THERMOHARDENING SYNTHETIC RESIN WHICH COMPRISES FIRST IMPREGNATING A FIBROUS MATERIAL WITH A SOLUTION OF PARAFFIN CHLORIDE IN A SOLVENT, DRYING THE IMPREGNATED MATERIAL TO REMOVE THE SOLVENT, NEXT APPLYING A THERMO-HARDENING SYNTHETIC RESIN THE SAID IMPREGNATED FIBEOUS MATERIAL, NEXT DRYING AND MOLDING UNDER HEAT AND PRESSURE TO THE MATERIAL TO WHICH THE RESIN HAS BEEN APPLIED TO PROVIDE A POROUS STRUCTURE HAVING MINUTE HOLES THEREIN,
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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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |