US3526086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiconduit underwater line
Assignee: Boeing North American Inc
•
Filing: 1968-04-12
•
Granted: 1970-09-01
•
Expires: 1988-04-12
Abstract
No abstract record available.
Inventors
- 👤 George W Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/18; F16L9/19; F16L11/00; F16L11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3315703A
Cited
US2106803A
Cited
GB627031A
Cited
US2725713A
Cited
GB676224A
Cited
US3269422A
Cited
US3425453A
Cited
US3400737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-31 | 1974-03-02 | 1974-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-31 | 1978-03-02 | 1978-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-31 | 1982-03-02 | 1982-09-01 | $7700.00 | Window Closed / Lapsed |