US3197239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawbar lock pin safety attachment
Assignee: Individual
•
Filing: 1964-09-11
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Granted: 1965-07-27
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Expires: 1984-09-11
Abstract
No abstract record available.
Inventors
- 👤 Jr Louis F Jezek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:50
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/01; B60D1/02; B60D1/025; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/31; Y10S24/35; Y10T; Y10T24/00; Y10T24/44; Y10T24/44573; Y10T24/44581; Y10T24/45; Y10T24/45225; Y10T24/45251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ATTACHMENT FOR THE LOCK PIN COUPLING THE DRAWBAR OF AN AUTOMTIVE VEHICLE WITH THE TONGUE OF A VEHICLE TO BE DRAWN, SAID DRAWBAR HAVING AN OPENING EXTENDING THERETHROUGH AND SAID TONGUE HAVING A BORE EXTENDING TRANSVERSELY THERETHROUGH, SAID OPENING AND SAID BORE BEING ALIGNED TO RECEIVE SAID LOCK PIN THEREIN, A SUBSTANTIALLY FLAT RECTANGULAR LOCK PLATE HAVING AN OPENING EXTENDING TRANSVERSELY THERETHROUGH, SAID LAST-NAMED OPENING BEING FORMED ON AN AXIEL OTHER THAN PERPENDICULAR TO THE PLANE OF EITHER SIDE OF SAID LOCK PLATE TO FORM EDGES ENGAGEABLE WITH SAID LOCK PIN WHEN SAID PLATE IS CANTED, A HELICOIDAL SPRING SURROUNDING SAID LOCK PIN WITH ONE END ENGAGING SAID LOCK PLATE TO EFFECT SAID CANTING OF SAID LOCK PLATE, A WASHER FIXEDLY MOUNTED ON SAID LOCK PIN TO ENGAGE SAID TONGUE AND TO BEAR AGAINST THE OTHER END OF SAID SPRING, AND MEANS CONNECTING SAID LOCK PLATE WITH SAID LOCK PIN INCLUDING AN ELEMENT PIVOTALLY CONNECTED WITH SAID LOCK PLATE TO PIVOT ACROSS SAID SPAN SAID TONGUE AND DRAWBAR AND TO RELEASABLY EMBRACINGLY ENGAGE SAID PIN.
Claim 2
Dependent Claim
176 words
AN ATTACHMENT FOR THE LOCK PIN COUPLING THE DRAWBAR OF AN AUTOMTIVE VEHICLE WITH THE TONGUE OF A VEHICLE TO BE DRAWN, SAID DRAWBAR HAVING AN OPENING EXTENDING THERETHROUGH AND SAID TONGUE HAVING A BORE EXTENDING TRANSVERSELY THERETHROUGH, SAID OPENING AND SAID BORE BEING ALIGNED TO RECEIVE SAID LOCK PIN THEREIN, A SUBSTANTIALLY FLAT RECTANGULAR LOCK PLATE HAVING AN OPENING EXTENDING TRANSVERSELY THERETHROUGH, SAID LAST-NAMED OPENING BEING FORMED ON AN AXIEL OTHER THAN PERPENDICULAR TO THE PLANE OF EITHER SIDE OF SAID LOCK PLATE TO FORM EDGES ENGAGEABLE WITH SAID LOCK PIN WHEN SAID PLATE IS CANTED, A HELICOIDAL SPRING SURROUNDING SAID LOCK PIN WITH ONE END ENGAGING SAID LOCK PLATE TO EFFECT SAID CANTING OF SAID LOCK PLATE, A WASHER FIXEDLY MOUNTED ON SAID LOCK PIN TO ENGAGE SAID TONGUE AND TO BEAR AGAINST THE OTHER END OF SAID SPRING, AND MEANS CONNECTING SAID LOCK PLATE WITH SAID LOCK PIN INCLUDING AN ELEMENT PIVOTALLY CONNECTED WITH SAID LOCK PLATE TO PIVOT ACROSS SAID SPAN SAID TONGUE AND DRAWBAR AND TO RELEASABLY EMBRACINGLY ENGAGE SAID PIN.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |