Patent US2761701A successfully refreshed from Google Patents.
US2761701A
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Severable duct joints with plural universal connections
Assignee: Boeing Co
•
Filing: 1951-09-11
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Granted: 1956-09-04
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Expires: 1971-09-11
Abstract
No abstract record available.
Inventors
- 👤 Louise J Morse
- 👤 Clifford H Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:40
CPC Classifications
F; F16; F16L; F16L29/00; B; B64; B64D; B64D39/00; B64D39/06; F16L27/00; F16L27/02; F16L27/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-04 | 1960-03-05 | 1960-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-04 | 1964-03-05 | 1964-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-04 | 1968-03-05 | 1968-09-04 | $7700.00 | Window Closed / Lapsed |