US3498648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature and pressure tube fitting
Assignee: Boeing Co
•
Filing: 1968-08-22
•
Granted: 1970-03-03
•
Expires: 1988-08-22
Abstract
No abstract record available.
Inventors
- 👤 Harold Walter Hallesy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:36
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/146; B; B25; B25B; B25B27/00; B25B27/02; B25B27/10; F16L19/00; F16L19/08; F16L19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US351263A
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US418752A
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US1186813A
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US2011433A
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FR791491A
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DE704045C
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US2233214A
Cited
US2383692A
Cited
US2507261A
Cited
US2535694A
Cited
US2613959A
Cited
US3149860A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |