Patent US3062557A successfully refreshed from Google Patents.
US3062557A
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US
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Sealing rings
Assignee: Dowty Seals Ltd
•
Filing: 1959-07-06
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Granted: 1962-11-06
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Expires: 1979-07-06
Abstract
No abstract record available.
Inventors
- 👤 Underwood Cyril James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:30
CPC Classifications
F; F16; F16B; F16B43/00; F16B43/001; Y; Y10; Y10S; Y10S411/00; Y10S411/915
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US949658A
Cited
US2102673A
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US2455982A
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US2439306A
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US2492115A
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US2761347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |