Patent US3598186A successfully refreshed from Google Patents.
Patent US3286728A successfully refreshed from Google Patents.
US3286728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slot type reed valve
Assignee: Outboard Marine Corp
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Filing: 1963-03-27
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Granted: 1966-11-22
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Expires: 1983-03-27
Abstract
No abstract record available.
Inventors
- 👤 Donald K Stephenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:48
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/16; F16K15/1402; F16K15/162; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7892
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A REED VALVE INCLUDING A REED PLATE HAVING THEREIN MEANS DEFINING A PORT AND A SHEET EXTENDING FROM AND SURROUNDING SAID PORT, A REED MEMBER SUBJECT TO CURVATURE UPON PORT CLOSING OPERATION AN INCLUDING A PORT CLOSING PORTION, AND MEANS SECURING SAID REED MEMBER TO SAID REED PLATE FOR MOVEMENT OF SAID PORT CLOSING PORTION RELATIVE TO SAID REED PLATE TO AND FROM A POSITION OF ENGAGEMENT WITH SAID SEAT, SAID REED MEMBER OVERLAPPING SAID SEAT BY AN AMOUNT LESS THAN ABOUT ABOUT .045 INCH ALONG A PORTION OF SAID SEAT WHICH IS MOST REMOTE FROM SAID REED MEMBER SECURING MEANS, SAID PORT BEING ELONGATED AND INCLUDING A RECTILINEAR EDGE AT THE INTERSECTION OF SAID PORT AND SAID REMOTE PORTION OF SAID SEAT, SAID EDGE EXTENDING LENGTHWISE OF SAID PORT, AND SAID SEAT HAVING END PORTIONS INCLUDING RESILIENT MEANS SURROUNDING AT LEAST A PORTION OF SAID PORT AND PERMITTING DISPLACEMENT OF THE SURFACE OF SAID END PORTIONS.
Claim 2
Dependent Claim
157 words
A REED VALVE INCLUDING A REED PLATE HAVING THEREIN MEANS DEFINING A PORT AND A SHEET EXTENDING FROM AND SURROUNDING SAID PORT, A REED MEMBER SUBJECT TO CURVATURE UPON PORT CLOSING OPERATION AN INCLUDING A PORT CLOSING PORTION, AND MEANS SECURING SAID REED MEMBER TO SAID REED PLATE FOR MOVEMENT OF SAID PORT CLOSING PORTION RELATIVE TO SAID REED PLATE TO AND FROM A POSITION OF ENGAGEMENT WITH SAID SEAT, SAID REED MEMBER OVERLAPPING SAID SEAT BY AN AMOUNT LESS THAN ABOUT ABOUT .045 INCH ALONG A PORTION OF SAID SEAT WHICH IS MOST REMOTE FROM SAID REED MEMBER SECURING MEANS, SAID PORT BEING ELONGATED AND INCLUDING A RECTILINEAR EDGE AT THE INTERSECTION OF SAID PORT AND SAID REMOTE PORTION OF SAID SEAT, SAID EDGE EXTENDING LENGTHWISE OF SAID PORT, AND SAID SEAT HAVING END PORTIONS INCLUDING RESILIENT MEANS SURROUNDING AT LEAST A PORTION OF SAID PORT AND PERMITTING DISPLACEMENT OF THE SURFACE OF SAID END PORTIONS.
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |