US3170700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil seal for a rotatable shaft extending into a gas enclosure
Assignee: Associated Electrical Industries Ltd
•
Filing: 1960-03-28
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Granted: 1965-02-23
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Adams Thomas Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3404; F16J15/3408; F16J15/3412; F16J15/342
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2036308A
Cited
US2265953A
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US2326824A
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US2593939A
Cited
GB690569A
Cited
US3051497A
Cited
US2895751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |