US3088765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock assembly
Assignee: Chicago Forging and Manufacturing Co
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Filing: 1960-09-01
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Granted: 1963-05-07
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Expires: 1980-09-01
Abstract
No abstract record available.
Inventors
- 👤 Krause Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:44
CPC Classifications
E; E05; E05B; E05B83/00; E05B83/16; E05B83/24; Y; Y10; Y10S; Y10S292/00; Y10S292/14; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/081; Y10T292/0886
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A LATCH STRUCTURE INCLUDING A LATCH PLATE HAVING AN APERTURE, A PLUNGER POSITIONED TO ENTER SAID APERTURE, A LATCH CONTROL MEMBER PIVOTED ON SAID PLUNGER, A LATCH MEMBER PIVOTALLY MOUNTED ON SAID CONTROL MEMBER AND EXTENDING OUTWARDLY FROM SAID PLUNGER, A SPRING URGING SAID LATCH MEMBER TO SAID OUTWARDLY EXTENDED POSITION, SAID LATCH MEMBER BEING POSITIONED TO CONTACT SAID LATCH PLATE AS SAID PLUNGER MOVES THROUGH SAID APERTURE, A RELEASE MEMBER PIVOTALLY MOUNTED ON SAID PLUNGER, SAID RELEASE MEMBER HAVING A PORTION POSITIONED TO BLOCK SAID LATCH CONTROL MEMBER WHEN SAID LATCH MEMBER IS IN THE EXTENDED POSITION, AND AN OUTWARDLY EXTENDING FLANGE-LIKE SURFACE ON SAID PLUNGER, SAID LATCH CONTROL MEMBER HAVING A PORTION SLIDEABLE ON SAID SURFACE DURING A PORTION OF ITS TRAVEL ON SAID PLUNGER, SAID SURFACE BEING ADJACENT AND PIVOTAL WITH SAID RELEASE MEMBER PORTION TO PREVENT LOCKING CONTACT BETWEEN THE LATCH CONTROL MEMBER AND SAID RELEASE MEMBER PORTION UNTIL THE LATCH MEMBER IS FULLY EXTENDED.
Claim 2
Dependent Claim
159 words
A LATCH STRUCTURE INCLUDING A LATCH PLATE HAVING AN APERTURE, A PLUNGER POSITIONED TO ENTER SAID APERTURE, A LATCH CONTROL MEMBER PIVOTED ON SAID PLUNGER, A LATCH MEMBER PIVOTALLY MOUNTED ON SAID CONTROL MEMBER AND EXTENDING OUTWARDLY FROM SAID PLUNGER, A SPRING URGING SAID LATCH MEMBER TO SAID OUTWARDLY EXTENDED POSITION, SAID LATCH MEMBER BEING POSITIONED TO CONTACT SAID LATCH PLATE AS SAID PLUNGER MOVES THROUGH SAID APERTURE, A RELEASE MEMBER PIVOTALLY MOUNTED ON SAID PLUNGER, SAID RELEASE MEMBER HAVING A PORTION POSITIONED TO BLOCK SAID LATCH CONTROL MEMBER WHEN SAID LATCH MEMBER IS IN THE EXTENDED POSITION, AND AN OUTWARDLY EXTENDING FLANGE-LIKE SURFACE ON SAID PLUNGER, SAID LATCH CONTROL MEMBER HAVING A PORTION SLIDEABLE ON SAID SURFACE DURING A PORTION OF ITS TRAVEL ON SAID PLUNGER, SAID SURFACE BEING ADJACENT AND PIVOTAL WITH SAID RELEASE MEMBER PORTION TO PREVENT LOCKING CONTACT BETWEEN THE LATCH CONTROL MEMBER AND SAID RELEASE MEMBER PORTION UNTIL THE LATCH MEMBER IS FULLY EXTENDED.
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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |