Patent US2950506A successfully refreshed from Google Patents.
US2950506A
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Method for manufacturing shaft seals
Assignee: Federal Mogul Bower Bearings Inc
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Filing: 1957-07-26
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Granted: 1960-08-30
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 George L Corsi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:24
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/328; B; B29; B29C; B29C33/00; B29C33/12; B29C43/00; B29C43/02; B29C43/021; B29C43/18; B29C70/00; B29C70/68; B29C70/70; F16J15/3248; B29C2793/00; B29C2793/009; B29C37/00; B29C37/02; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/26; Y; Y10; Y10S; Y10S277/00; Y10S277/924; Y10S425/00; Y10S425/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |