Patent US5826801A successfully refreshed from Google Patents.
Patent US951625A successfully refreshed from Google Patents.
Patent US2689462A successfully refreshed from Google Patents.
Patent US3189374A successfully refreshed from Google Patents.
US3189374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push release latch
Assignee: Individual
•
Filing: 1963-08-30
•
Granted: 1965-06-15
•
Expires: 1983-08-30
Abstract
No abstract record available.
Inventors
- 👤 Paul M Mertes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:11
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/02; E05C19/022; Y; Y10; Y10S; Y10S292/00; Y10S292/04; Y10T; Y10T292/00; Y10T292/08; Y10T292/0894
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
288 words
A LATCH OF THE KIND DESCRIBED COMPRISING A U-SHAPED SPRING ATTACHABLE TO A CABINET DOOR WITH ITS ARMS ON THE SAME LEVEL AND PROJECTING INWARDLY FROM SAID DOOR, A PIN CARRIED BY AND PROJECTING DOWNWARDLY FROM EACH OF SAID ARMS, ONE OF SAID PINS BEING A LATCHING PIN AND THE OTHER A DOOR OPENING PIN, A THICK CATCH PLATE WHICH, VIEWED IN ITS OPERATIVE POSITION, HAS A FRONT SIDE PORTION AND END EDGE PORTIONS WHICH CONVERGE FORWARDLY AND JOIN SAID FRONT SIDE PORTION, A GROOVE IN THE UPPER FACE OF SAID PLATE, SAID GROOVE HAVING AN ENTRANT PORTION FOR SAID LATCHING PIN LEADING IN FROM THE REAR PART OF ONE OF SAID END EDGE PORTIONS AND AN EXIT PORTION LEADING THENCE TO SAID FRONT SIDE PORTION OF THE PLATE, AN OUTER STOP SHOULDER FOR SAID LATCHING PIN AT THE MOUTH OF SAID ENTRANT PORTION OF SAID GROOVE, AN INNER STOP SHOULDER FOR SAID LATCHING PIN AT THE JUNCTURE OF THE ENTRANT AND EXIT PORTIONS OF SAID GROOVE, SAID ENTRANT GROOVE PORTION BEING FORWARDLY INCLINED FROM SAID OUTER TO SAID INNER STOP SHOULDER, AND MEANS TO SECURE SAID CATCH PLATE UPON THE FRONT EDGE PORTION OF A CABINET SHELF IN A POSITION FOR THE DOOR OPENING PIN TO ENGAGE THE INCLINED END EDGE OF SAID CATCH PLATE FARTHEST FROM THE ENTRANT GROOVE PORTION AND FOR THE LATCHING PIN UNDER STRESS TO ENGAGE THE SAID OUTER SHOULDER WHEN THE DOOR IS CLOSED, THENCE TO TRAVEL ALONG THE ENTRANT PORTION OF THE GROOVE TO SAID INNER STOP SHOULDER WHEN PRESSURE UPON THE DOOR IS RELEASED, RENEWED PRESSURE UPON THE DOOR CAUSING SAID LATCHING PIN TO OVERRIDE SAID INNER STOP SHOULDER AND ALLOW SAID DOOR OPENING PIN SLIGHTLY TO OPEN THE DOOR.
Claim 2
Dependent Claim
288 words
A LATCH OF THE KIND DESCRIBED COMPRISING A U-SHAPED SPRING ATTACHABLE TO A CABINET DOOR WITH ITS ARMS ON THE SAME LEVEL AND PROJECTING INWARDLY FROM SAID DOOR, A PIN CARRIED BY AND PROJECTING DOWNWARDLY FROM EACH OF SAID ARMS, ONE OF SAID PINS BEING A LATCHING PIN AND THE OTHER A DOOR OPENING PIN, A THICK CATCH PLATE WHICH, VIEWED IN ITS OPERATIVE POSITION, HAS A FRONT SIDE PORTION AND END EDGE PORTIONS WHICH CONVERGE FORWARDLY AND JOIN SAID FRONT SIDE PORTION, A GROOVE IN THE UPPER FACE OF SAID PLATE, SAID GROOVE HAVING AN ENTRANT PORTION FOR SAID LATCHING PIN LEADING IN FROM THE REAR PART OF ONE OF SAID END EDGE PORTIONS AND AN EXIT PORTION LEADING THENCE TO SAID FRONT SIDE PORTION OF THE PLATE, AN OUTER STOP SHOULDER FOR SAID LATCHING PIN AT THE MOUTH OF SAID ENTRANT PORTION OF SAID GROOVE, AN INNER STOP SHOULDER FOR SAID LATCHING PIN AT THE JUNCTURE OF THE ENTRANT AND EXIT PORTIONS OF SAID GROOVE, SAID ENTRANT GROOVE PORTION BEING FORWARDLY INCLINED FROM SAID OUTER TO SAID INNER STOP SHOULDER, AND MEANS TO SECURE SAID CATCH PLATE UPON THE FRONT EDGE PORTION OF A CABINET SHELF IN A POSITION FOR THE DOOR OPENING PIN TO ENGAGE THE INCLINED END EDGE OF SAID CATCH PLATE FARTHEST FROM THE ENTRANT GROOVE PORTION AND FOR THE LATCHING PIN UNDER STRESS TO ENGAGE THE SAID OUTER SHOULDER WHEN THE DOOR IS CLOSED, THENCE TO TRAVEL ALONG THE ENTRANT PORTION OF THE GROOVE TO SAID INNER STOP SHOULDER WHEN PRESSURE UPON THE DOOR IS RELEASED, RENEWED PRESSURE UPON THE DOOR CAUSING SAID LATCHING PIN TO OVERRIDE SAID INNER STOP SHOULDER AND ALLOW SAID DOOR OPENING PIN SLIGHTLY TO OPEN THE DOOR.
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 |