US3584101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making lip-type rotary shaft seals
Assignee: Stewart Warner Corp
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Filing: 1968-10-08
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Granted: 1971-06-08
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Expires: 1988-10-08
Abstract
Abstract THE FOLLOWING SPECIFICATION DESCRIBES A METHOD AND APPARATUS FOR MAKING A ROTARY SEAL FOR A ROTARY SHAFT BY SEATING A BLANK IN A BEARING GROOVE WITH THE STRESSES EQUALIZED BY ROTATING CROWNED TOLS AGAINST OPPOSITE SURFACES OF THE BLANK, AND THEN CUTTING THE BLANK WITH A PILOTED CUTTER TO THE SIZE OF THE SHAFT FITTED INTO THE BEARING.
Inventors
- 👤 Roger G Martz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:18
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/328; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49861; Y10T29/49908; Y10T29/49938
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |