US3320107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a facing for use in energy transmitting device
Assignee: Motors Liquidation Co
•
Filing: 1963-01-30
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Granted: 1967-05-16
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Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Howard W Christenson
- 👤 Robert H Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:01
CPC Classifications
F; F16; F16D; F16D69/00; F16D69/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/3154; Y10T428/31544; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF MAKING A FACING FOR USE IN AN ENERGY TRANSMITTING DEVICE CONSISTING ESSENTIALLY OF FELTING NONMETALLIC FIBROUS MATERIAL INCLUDING AT LEAST 50% BY WEIGHT OF POLYTETRAFLUOROETHYLENE FIBERS INTO A SHEET, SINTERING THE SHEETED FIBERS FOR CAUSING THE POLYTETRAFLUOROETHYLENE FIBERS TO FUSE TOGETHER AT THEIR CONTACTING PORTIONS AND COINING THE RESULTING SHEET UNDE AN ELEVATED TEMPERATURE AND PRESSURE FOR CONSOLIDATING THE SHEET INTO A STRONG FACING MATERIAL.
Claim 2
Independent Claim
68 words
A METHOD OF MAKING A FACING FOR USE IN AN ENERGY TRANSMITTING DEVICE CONSISTING ESSENTIALLY OF FELTING NONMETALLIC FIBROUS MATERIAL INCLUDING AT LEAST 50% BY WEIGHT OF POLYTETRAFLUOROETHYLENE FIBERS INTO A SHEET, SINTERING THE SHEETED FIBERS FOR CAUSING THE POLYTETRAFLUOROETHYLENE FIBERS TO FUSE TOGETHER AT THEIR CONTACTING PORTIONS AND COINING THE RESULTING SHEET UNDE AN ELEVATED TEMPERATURE AND PRESSURE FOR CONSOLIDATING THE SHEET INTO A STRONG FACING MATERIAL.
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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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |