US3265407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety chain for trailers
Assignee: Individual
•
Filing: 1964-09-02
•
Granted: 1966-08-09
•
Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Conn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:10
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/24; B60D1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SAFETY CHAIN FOR USE WITH A TRAILER HAVING A TOWING BAR AND A MOTOR VEHICLE HAVING A TRAILER HITCH COMPRISING: A RING FOR POSITIONING ON THE TRAILER HITCH, FOUR MAIN CHAINS ATTACHED TO SAID RING, THE FIRST AND SECOND OF SAID MAIN CHAINS BEING ADAPTED FOR ATTACHMENT TO THE REAR END OF THE MOTOR VEHICLE, THE THIRD AND FOURTH OF SAID MAIN CHAINS BEING ADAPTED FOR ATTACHMENT TO THE TRAILER, AT LEAST ONE CROSS-CHAIN EXTENDING BETWEEN SAID THIRD AND FOURTH MAIN CHAINS TO SUPPORT THE TOWING BAR IN THE EVENT THE MAIN CHAINS TO SUPPORT THE TOWING BAR AT LEAST ONE TOP CHAIN EXTENDING OVER THE TOWING BAR BETWEEN SAID THIRD AND FOURTH MAIN CHAINS TO MAINTAIN THE TOWING BAR IN ITS SUPPORTED POSITION.
Claim 2
Dependent Claim
125 words
A SAFETY CHAIN FOR USE WITH A TRAILER HAVING A TOWING BAR AND A MOTOR VEHICLE HAVING A TRAILER HITCH COMPRISING: A RING FOR POSITIONING ON THE TRAILER HITCH, FOUR MAIN CHAINS ATTACHED TO SAID RING, THE FIRST AND SECOND OF SAID MAIN CHAINS BEING ADAPTED FOR ATTACHMENT TO THE REAR END OF THE MOTOR VEHICLE, THE THIRD AND FOURTH OF SAID MAIN CHAINS BEING ADAPTED FOR ATTACHMENT TO THE TRAILER, AT LEAST ONE CROSS-CHAIN EXTENDING BETWEEN SAID THIRD AND FOURTH MAIN CHAINS TO SUPPORT THE TOWING BAR IN THE EVENT THE MAIN CHAINS TO SUPPORT THE TOWING BAR AT LEAST ONE TOP CHAIN EXTENDING OVER THE TOWING BAR BETWEEN SAID THIRD AND FOURTH MAIN CHAINS TO MAINTAIN THE TOWING BAR IN ITS SUPPORTED POSITION.
References Cited (Backward Citations)
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Cited
US2196115A
Cited
FR1006657A
Cited
US2554801A
Cited
US2815225A
Cited
US2937885A
Cited
US3132878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |