Patent US3212801A successfully refreshed from Google Patents.
US3212801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch means
Assignee: North American Aviation Corp
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Filing: 1963-02-20
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Granted: 1965-10-19
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Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Fred R Roesinger
- 👤 Norman E Frawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:23
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0886; Y10T292/0887; Y10T292/089
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A TOGGLE LATCH COMPRISING: A BASE MEMBER; A RELEASE LEVER HINGED UPON SAID BASE MEMBER; FIRST SPRING MEANS, LOADED TO BIAS SAID LEVER TOWARD SAID BASE MEMBER; A CATCH MEMBER ADAPTED TO ENGAGE A COMPLEMENTARY CATCH, PIVOTED UPON SAID LEVER AND HAVING A FULLY EXTENDED POSITION; SECOND SPRING MEANS BIASED TO URGE SAID CATCH MEMBER TO AN OPEN POSITION INTO CONTACT WITH SAID LIEVER; THE AXIS OF ROTATION OF SAID LEVER BEING OFFSET FROM A LINE BETWEEN THE POINT OF SAID CATCH MEMBER WHICH IS ADAPTED TO ENGAGE A COMPLEMENTARY CATCH WHEN IN ITS FULLY EXTENDED POSITION AND THE AXIS OF ROTATION OF SAID CATCH MEMBER.
Claim 2
Dependent Claim
106 words
A TOGGLE LATCH COMPRISING: A BASE MEMBER; A RELEASE LEVER HINGED UPON SAID BASE MEMBER; FIRST SPRING MEANS, LOADED TO BIAS SAID LEVER TOWARD SAID BASE MEMBER; A CATCH MEMBER ADAPTED TO ENGAGE A COMPLEMENTARY CATCH, PIVOTED UPON SAID LEVER AND HAVING A FULLY EXTENDED POSITION; SECOND SPRING MEANS BIASED TO URGE SAID CATCH MEMBER TO AN OPEN POSITION INTO CONTACT WITH SAID LIEVER; THE AXIS OF ROTATION OF SAID LEVER BEING OFFSET FROM A LINE BETWEEN THE POINT OF SAID CATCH MEMBER WHICH IS ADAPTED TO ENGAGE A COMPLEMENTARY CATCH WHEN IN ITS FULLY EXTENDED POSITION AND THE AXIS OF ROTATION OF SAID CATCH 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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |