US3136370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Outboard motor impeller hub
Assignee: Minnesota Rubber and Plastics
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Filing: 1961-02-27
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Granted: 1964-06-09
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Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 George E Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:42
CPC Classifications
F; F04; F04C; F04C5/00; F01; F01C; F01C21/00; F01C21/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
AN OUTBOARD MOTOR IMPELLER COMPRISING, A RIGID TUBULAR MEMBER HAVING AN OUTER SURFACE AND AN UNRESTRICTED BORE AND BEING ADAPTED TO FIXEDLY RECEIVE A ROTARY SHAFT WITHIN ITS BORE FOR ROTATION THEREWITH AND INCLUDING A PLURALITY OF RIGID CIRCUMFERENTIALLY SPACED AXIALLY EXTENDING SUPPORT ELEMENTS EXTENDING RADIALLY OUTWARDLY FROM ITS OUTER SURFACE AND INCLUDING A PLURALITY OF AXIALLY SPACED RIGID ANNULAR ANCHOR ELEMENTS EXTENDING CONTINUOUSLY AND CIRCUMFERENTIALLY AROUND SAID SUPPORT ELEMENTS IN RADIALLY SPACED RELATION TO THE OUTER SURFACE OF SAID TUBULAR MEMBER AND BEING DISPOSED WITHIN THE AXIAL CONFINES THEREOF, SAID TUBULAR MEMBER, SUPPORT ELEMENTS AND ANCHOR ELEMENTS BEING EACH INTEGRALLY FORMED WITH THE OTHER, AND A RUBBER OUTBOARD IMPELLER BODY MOLDED UPON SAID OUTER SURFACE AND AROUND SAID ANCHOR ELEMENTS AND SAID SUPPORT ELEMENTS WHEREBY SAID IMPELLER BODY IS FIRMLY ANCHORED TO SAID TUBULAR MEMBER.
Claim 2
Dependent Claim
136 words
AN OUTBOARD MOTOR IMPELLER COMPRISING, A RIGID TUBULAR MEMBER HAVING AN OUTER SURFACE AND AN UNRESTRICTED BORE AND BEING ADAPTED TO FIXEDLY RECEIVE A ROTARY SHAFT WITHIN ITS BORE FOR ROTATION THEREWITH AND INCLUDING A PLURALITY OF RIGID CIRCUMFERENTIALLY SPACED AXIALLY EXTENDING SUPPORT ELEMENTS EXTENDING RADIALLY OUTWARDLY FROM ITS OUTER SURFACE AND INCLUDING A PLURALITY OF AXIALLY SPACED RIGID ANNULAR ANCHOR ELEMENTS EXTENDING CONTINUOUSLY AND CIRCUMFERENTIALLY AROUND SAID SUPPORT ELEMENTS IN RADIALLY SPACED RELATION TO THE OUTER SURFACE OF SAID TUBULAR MEMBER AND BEING DISPOSED WITHIN THE AXIAL CONFINES THEREOF, SAID TUBULAR MEMBER, SUPPORT ELEMENTS AND ANCHOR ELEMENTS BEING EACH INTEGRALLY FORMED WITH THE OTHER, AND A RUBBER OUTBOARD IMPELLER BODY MOLDED UPON SAID OUTER SURFACE AND AROUND SAID ANCHOR ELEMENTS AND SAID SUPPORT ELEMENTS WHEREBY SAID IMPELLER BODY IS FIRMLY ANCHORED TO SAID TUBULAR MEMBER.
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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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |