Patent US3189142A successfully refreshed from Google Patents.
US3189142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure operator
Assignee: Individual
•
Filing: 1963-02-19
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Granted: 1965-06-15
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 Fred O Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:39
CPC Classifications
A; A62; A62C; A62C2/00; A62C2/06; A62C2/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
AN AUTOMATIC OPERATOR FOR MOVING A HORIZONTALLY SHIFTABLE CLOSURE MEMBER ACROSS A FRAMED OPENING FROM A FIRST INOPERATIVE POSITION ADJACENT ONE SIDE OF THE OPENING TO AN OPERATIVE POSITION ADJACENT A SECOND SIDE OF SAID OPENING, SAID AUTOMATIC OPERATOR COMPRISING A RESILIENT MEMBER ADAPTED TO BE CONSIDERABLY LENGTHENED UNDER TENSION, MEANS TO CONNECT ONE END OF THE RESILIENT MEMBER TO THE FRAME, MEANS TO CONNECT THE OTHER END OF THE RESILIENT MEMBER TO THE CLOSURE MEMBER SO THAT THE SAID RESILIENT MEMBER IS IN SUBSTAWNTIAL ALIGNMENT WITH THE NORMAL DIRECTION OF MOVEMENT OF THE CLOSURE MEMBER, CONNECTION MEANS SECURED TO THE SAID FRAME IN ALIGNMENT WITH THE RESILIENT MEMBER, A FUSIBLE LINK MEANS, MEANS TO INTERCONNECT SAID LINK MEANS WITH SAID CONNECTION MEANS AND THE END OF THE SPRING AT THE CONNECTION OF THE SPRING WITH SAID CLOSURE TO NORMALLY MAINTAIN THE CLOSURE TO SAID ONE SIDE OF SAID OPENING AGAINST THE TENSION OF SAID RESILIENT MEMBER, SAID RESILIENT MEMBER BEING OF SUCH A LENGTH AND BEING UNDER SUCH A TENSION WHEN THE CLOSURE IS AT ONE SIDE OF THE OPENING THAT, UPON RELEASE OF SAID FUSIBLE LINK, THE CLOSURE MEMBER WILL BE MOVE ACROSS THE OPENING BY THE FORCE OF SAID RESILIENT MEMBER AS ITS TENSION IS RELEASED.
Claim 2
Dependent Claim
209 words
AN AUTOMATIC OPERATOR FOR MOVING A HORIZONTALLY SHIFTABLE CLOSURE MEMBER ACROSS A FRAMED OPENING FROM A FIRST INOPERATIVE POSITION ADJACENT ONE SIDE OF THE OPENING TO AN OPERATIVE POSITION ADJACENT A SECOND SIDE OF SAID OPENING, SAID AUTOMATIC OPERATOR COMPRISING A RESILIENT MEMBER ADAPTED TO BE CONSIDERABLY LENGTHENED UNDER TENSION, MEANS TO CONNECT ONE END OF THE RESILIENT MEMBER TO THE FRAME, MEANS TO CONNECT THE OTHER END OF THE RESILIENT MEMBER TO THE CLOSURE MEMBER SO THAT THE SAID RESILIENT MEMBER IS IN SUBSTAWNTIAL ALIGNMENT WITH THE NORMAL DIRECTION OF MOVEMENT OF THE CLOSURE MEMBER, CONNECTION MEANS SECURED TO THE SAID FRAME IN ALIGNMENT WITH THE RESILIENT MEMBER, A FUSIBLE LINK MEANS, MEANS TO INTERCONNECT SAID LINK MEANS WITH SAID CONNECTION MEANS AND THE END OF THE SPRING AT THE CONNECTION OF THE SPRING WITH SAID CLOSURE TO NORMALLY MAINTAIN THE CLOSURE TO SAID ONE SIDE OF SAID OPENING AGAINST THE TENSION OF SAID RESILIENT MEMBER, SAID RESILIENT MEMBER BEING OF SUCH A LENGTH AND BEING UNDER SUCH A TENSION WHEN THE CLOSURE IS AT ONE SIDE OF THE OPENING THAT, UPON RELEASE OF SAID FUSIBLE LINK, THE CLOSURE MEMBER WILL BE MOVE ACROSS THE OPENING BY THE FORCE OF SAID RESILIENT MEMBER AS ITS TENSION IS RELEASED.
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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |