Patent US2941825A successfully refreshed from Google Patents.
US2941825A
Expired / Lapsed
US
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Sealing system for bearings, shafts, etc.
Assignee: Individual
•
Filing: 1954-11-26
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Granted: 1960-06-21
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Expires: 1974-11-26
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Adeline
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; F16J15/363; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7869; F16C33/7873; F16C19/00; F16C19/02; F16C19/04; F16C19/06; Y; Y10; Y10S; Y10S277/00; Y10S277/922; Y10S277/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1769030A
Cited
GB308391A
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US1931733A
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US2038855A
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US2067464A
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US2189197A
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US2267994A
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US2299590A
Cited
GB601296A
Cited
US2776851A
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US2699366A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |