Patent US3029912A successfully refreshed from Google Patents.
US3029912A
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US
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Sealing arrangement for fasteners
Assignee: North American Aviation Corp
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Filing: 1957-09-26
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Granted: 1962-04-17
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Expires: 1977-09-26
Abstract
No abstract record available.
Inventors
- 👤 William T Barker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:14
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; F16B2200/00; F16B2200/60; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934; Y10T29/49938; Y10T29/49943; Y10T29/49972; Y10T403/00; Y10T403/75
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US539627A
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US2511920A
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US1296165A
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US1392108A
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US2061628A
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US2466546A
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US2466811A
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US2751809A
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US2795989A
Cited
FR1136681A
Cited
GB790051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |