Patent US4174220A successfully refreshed from Google Patents.
Patent US3606363A successfully refreshed from Google Patents.
US3606363A
Expired / Lapsed
US
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Internally threaded seal
Assignee: Bethlehem Steel Corp
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Filing: 1969-12-23
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Granted: 1971-09-20
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Expires: 1989-12-23
Abstract
Abstract BRICATED MOVING PARTS CONTAINED WITHIN THE STATIONARY BODY, AND (B) RETAINS LUBRICANT WITHIN THE STATIONARY BODY. AN INTERNALLY THREADED SEAL FOR SEALING BETWEEN A ROTATING THREADED SHAFT AND A STATIONARY BODY CONTAINING A THREADED BORE. THE SEAL IS THREADABLY CONNECTED TO THE SHAFT AND FASTENED TO THE STATIONARY BODY. THE SEAL PERFORMS TWO FUNCTIONS: (A) PREVENTS CONTAMINATION OF LU-
Inventors
- 👤 James F Jordan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:04
CPC Classifications
F; F16; F16B; F16B33/00; F16B33/004; F16B39/00; F16B39/22; F16B39/28; F16B39/36; F16H; F16H25/00; F16H25/18; F16H25/20; F16H25/24; F16H25/2418; F16J; F16J15/00; F16J15/16; Y; Y10; Y10T; Y10T403/00; Y10T403/46
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) | 1974-09-19 | 1975-03-21 | 1975-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-19 | 1979-03-21 | 1979-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-19 | 1983-03-21 | 1983-09-20 | $7700.00 | Window Closed / Lapsed |