Patent US2834616A successfully refreshed from Google Patents.
US2834616A
Expired / Lapsed
US
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Shaft seals
Assignee: Federal Mogul Bower Bearings Inc
•
Filing: 1955-03-29
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Granted: 1958-05-13
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Marshall K Gebert
- 👤 George E Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:00
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7816; F16C33/783; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2208482A
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US2208620A
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US2202944A
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US2434686A
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US2522231A
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US2651534A
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US2760802A
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US2695801A
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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) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |