US3240523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Door lock
Assignee: Fruehauf Corp
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Filing: 1963-10-18
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Granted: 1966-03-15
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Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Fred G Heimann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:04
CPC Classifications
E; E05; E05B; E05B17/00; E05B17/0025; E05B17/0033; E05C; E05C3/00; E05C3/02; E05C3/04; E05C3/047; E05C3/048; E05B13/00; E05B13/002; Y; Y10; Y10S; Y10S292/00; Y10S292/71; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/1041; Y10T292/1043; Y10T292/1062; Y10T292/1075; Y10T292/1078; Y10T292/1083; Y10T292/1092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
A DOOR LOCK ASSEMBLY ADAPTED TO BE OPERATIVELY CONNECTED TO A DOOR FOR OPERATING THE DOOR TO AN OPEN AND A CLOSED POSITION COMPRISING: A KEEPER ADAPTED TO BE MOUNTED ADJACENT THE DOOR HAVING STRIKER MEANS, A HANDLE ASSEMBLY FIXEDLY MOUNTED ON AN OUTSIDE SURFACE OF THE DOOR INCLUDING RIGID HANDLE MEANS, SAID HANDLE MEANS HAVING A FIRST PORTION AND A SECOND PORTION AND PIVOTALLY MOUNTED FOR MOVEMENT FROM A FIRST POSITION WITH SAID FIRST PORTION IN ENGAGEMENT WITH SAID KEEPER TO A SECOND POSITION WITH SAID FIRST PORTION OUT OF ENGAGEMENT THEREFROM, RESILIENT MEANS FOR URGING SAID HANDLE MEANS TOWARD SAID SECOND POSITION AND MOVING THE DOOR TO THE OPEN POSITION WHEN THE DOOR IS CLOSED, AND LATCH MEANS ENGAGEABLE WITH SAID SECOND PORTION OF SAID HANDLE MEANS AND RESILIENTLY OPERABLE TO RETAIN SAID HANDLE MEANS IN SAID FIRST POSITION, SAID LATCH MEANS BEING OPERABLE FROM A REMOTE POSITION OUTSIDE THE DOOR BY A BLOW AGAINST THE LATCH MEANS TO RELEASE SAID HANDLE ASSEMBLY FOR PERMITTING SAID HANDLE MEANS TO MOVE TO SAID SECOND POSITION AND OPEN THE DOOR.
Claim 2
Dependent Claim
180 words
A DOOR LOCK ASSEMBLY ADAPTED TO BE OPERATIVELY CONNECTED TO A DOOR FOR OPERATING THE DOOR TO AN OPEN AND A CLOSED POSITION COMPRISING: A KEEPER ADAPTED TO BE MOUNTED ADJACENT THE DOOR HAVING STRIKER MEANS, A HANDLE ASSEMBLY FIXEDLY MOUNTED ON AN OUTSIDE SURFACE OF THE DOOR INCLUDING RIGID HANDLE MEANS, SAID HANDLE MEANS HAVING A FIRST PORTION AND A SECOND PORTION AND PIVOTALLY MOUNTED FOR MOVEMENT FROM A FIRST POSITION WITH SAID FIRST PORTION IN ENGAGEMENT WITH SAID KEEPER TO A SECOND POSITION WITH SAID FIRST PORTION OUT OF ENGAGEMENT THEREFROM, RESILIENT MEANS FOR URGING SAID HANDLE MEANS TOWARD SAID SECOND POSITION AND MOVING THE DOOR TO THE OPEN POSITION WHEN THE DOOR IS CLOSED, AND LATCH MEANS ENGAGEABLE WITH SAID SECOND PORTION OF SAID HANDLE MEANS AND RESILIENTLY OPERABLE TO RETAIN SAID HANDLE MEANS IN SAID FIRST POSITION, SAID LATCH MEANS BEING OPERABLE FROM A REMOTE POSITION OUTSIDE THE DOOR BY A BLOW AGAINST THE LATCH MEANS TO RELEASE SAID HANDLE ASSEMBLY FOR PERMITTING SAID HANDLE MEANS TO MOVE TO SAID SECOND POSITION AND 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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |