Patent US2784989A successfully refreshed from Google Patents.
US2784989A
Expired / Lapsed
US
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Flexible hollow connection
Assignee: Goodrich Corp
•
Filing: 1952-02-21
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Granted: 1957-03-12
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Expires: 1972-02-21
Abstract
No abstract record available.
Inventors
- 👤 Carroll P Krupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:32
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/10; F16L27/107; F16L27/108
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) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |