US3335783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Actuator for folding closure
Assignee: Individual
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Filing: 1965-10-22
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Granted: 1967-08-15
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 David R Ligh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:00
CPC Classifications
B; B63; B63B; B63B19/00; B63B19/12; B63B19/14; B63B19/19; B63B19/197
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A FOLDING CLOSURE COMPRISING FIRST AND SECOND PANELS; HINGE MEANS CONNECTING ADJACENT ENDS OF SAID PANELS; PIVOT MEANS FOR MOUNTING THE OTHER END OF SAID FIRST PANEL; TRACK MEANS SUPPORTING THE OTHER END OF SAID SECOND PANEL SO THAT SAID PANELS ARE TURNABLE BETWEEN A CLOSING POSITION ALIGNED ALONG SAID TRACK MEANS AND A FOLDED POSITION DISPOSED TRANSVERSELY TO SAID TRACK MEANS; A PAIR OF FIRST PIVOTALLY CONNECTED TOGGLE LEVER MEANS HAVING FREE ENDS PIVOTED, RESPECTIVELY TO SAID FIRST AND SECOND PANELS SPACED FROM SAID HINGE MEANS AND PIVOT MEANS; A PAIR OF SECOND PIVOTALLY CONNECTED TOGGLE LEVER MEANS, ONE OF SAID SECOND TOGGLE LEVER MEANS HAVING A FREE END PIVOTED TO ONE OF SAID FIRST TOGGLE LEVER MEANS INTERMEDIATE THE ENDS OF THE SAME, AND THE OTHER SECOND TOGGLE LEVER MEANS HAVING A FREE END PIVOTED TO ONE OF SAID PANELS SPACED FROM SAID HINGE MEANS; AND DRIVE MEANS MOUNTED ON THE OTHER PANEL AND HAVING A RECIPROCABLE DRIVE MEMBER PIVOTALLY CONNECTED WITH SAID OTHER SECOND TOGGLE LEVER MEANS.
Claim 2
Dependent Claim
170 words
A FOLDING CLOSURE COMPRISING FIRST AND SECOND PANELS; HINGE MEANS CONNECTING ADJACENT ENDS OF SAID PANELS; PIVOT MEANS FOR MOUNTING THE OTHER END OF SAID FIRST PANEL; TRACK MEANS SUPPORTING THE OTHER END OF SAID SECOND PANEL SO THAT SAID PANELS ARE TURNABLE BETWEEN A CLOSING POSITION ALIGNED ALONG SAID TRACK MEANS AND A FOLDED POSITION DISPOSED TRANSVERSELY TO SAID TRACK MEANS; A PAIR OF FIRST PIVOTALLY CONNECTED TOGGLE LEVER MEANS HAVING FREE ENDS PIVOTED, RESPECTIVELY TO SAID FIRST AND SECOND PANELS SPACED FROM SAID HINGE MEANS AND PIVOT MEANS; A PAIR OF SECOND PIVOTALLY CONNECTED TOGGLE LEVER MEANS, ONE OF SAID SECOND TOGGLE LEVER MEANS HAVING A FREE END PIVOTED TO ONE OF SAID FIRST TOGGLE LEVER MEANS INTERMEDIATE THE ENDS OF THE SAME, AND THE OTHER SECOND TOGGLE LEVER MEANS HAVING A FREE END PIVOTED TO ONE OF SAID PANELS SPACED FROM SAID HINGE MEANS; AND DRIVE MEANS MOUNTED ON THE OTHER PANEL AND HAVING A RECIPROCABLE DRIVE MEMBER PIVOTALLY CONNECTED WITH SAID OTHER SECOND TOGGLE LEVER MEANS.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |