Patent US3396693A successfully refreshed from Google Patents.
US3396693A
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US
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Pipe connection with seal for outboard boat drive unit
Assignee: Penta AB
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Filing: 1966-11-29
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Granted: 1968-08-13
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Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Bergstedt Karl Abdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:08
CPC Classifications
F; F16; F16L; F16L5/00; F16L5/02; F16L5/08; B; B63; B63H; B63H20/00; B63H20/08; B63H20/10; B63H20/24; B63H20/245; B63H20/28; B63H20/285; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F16L5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |