Patent US3073615A successfully refreshed from Google Patents.
US3073615A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible trailer
Assignee: TRIPLEX ENGINEERING Co
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Filing: 1961-09-18
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Granted: 1963-01-15
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Expires: 1981-09-18
Abstract
No abstract record available.
Inventors
- 👤 Siewert Elmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:38
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/062; B62D63/065; B62D63/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
343 words
A COLLAPSIBLE TRAILER COMPRISING A BODY INCLUDING HINGEDLY CONNECTED FRONT, INTERMEDIATE AND REAR MEMBERS, THE FRONT MEMBER HAVING A FRONT WALL AND SIDE WALL SECTIONS, THE REAR MEMBER HAVING A REAR WALL AND SIDE WALL SECTIONS, THE INTERMEDIATE BODY MEMBER BEING OF APPROXIMATELY THE WIDTH OF THE SIDE WALLS OF SAID FRONT AND REAR MEMBERS AND HAVING SIDE WALL SECTIONS OF CORRESPONDING WIDTH, THE SIDE WALL SECTIONS OF SAID FRONT, INTERMEDIATE AND REAR MEMBERS BEING COMPLEMENTARY WHEN THE BODY IS IN ERECTED POSITION, THE REAR MEMBER BEING DIMENSIONED SO THAT ITS WALLS ARE COLLAPSIBLE WITHIN THE WALLS OF THE FRONT MEMBER WITH THE WALL SECTIONS OF THE INTERMEDIATE MEMBER THEREBETWEEN, RIM MEMBERS OF INWARDLY FACING CHANNEL SECTION FIXEDLY SECURED TO THE SIDE WALLS OF SAID FRONT AND REAR MEMBERS WITH THEIR INNER ENDS TERMINATING IN SPACED RELATION TO THE INNER ENDS OF THE WALLS, INTERMEDIATE RIM MEMBERS OF INWARDLY FACING CHANNEL SECTION REMOVABLY ENGAGEABLE WITH THE WALLS OF SAID FRONT, INTERMEDIATE AND REAR MEMBERS IN COMPLEMENTARY RELATION TO THE RIM MEMBERS SECURED TO SAID FRONT AND REAR BODY MEMBERS'' SIDE WALLS WITH THEIR ENDS IN INTERLOCKING ENGAGEMENT THEREWITH WHEN THE BODY MEMBERS ARE IN ERECTED POSITION, A FRAME COMPRISING A REAR CROSS MEMBER INCLUDING LATERALLY SPACED CROSS MEMBERS AND TUBULAR COUPLINGS FIXEDLY SECURED THERETO, A FRONT CROSS MEMBER HAVING TUBULAR COUPLINGS FIXEDLY SECURED THERETO, LONGITUDINAL MEMBERS TELESCOPINGLY AND DETACHABLY ENGAGED WITH SAID COUPLING MEMBERS ON SAID CROSS MEMBERS AND HAVING ALIGNED LUGS ON THE INNER SIDES THEREOF DISPOSED BELOW SAID INTERMEDIATE BODY MEMBER, A CROSS BAR IN SUPPORTED ENGAGEMENT WITH SAID LUGS DISPOSED BELOW SAID INTERMEDIATE BODY MEMBER, FRONT LONGITUDINAL MEMBERS TELESCOPINGLY ENGAGED WITH SAID TUBULAR COUPLINGS ON SAID FRONT CROSS MEMBER, DRAFT MEMBERS TELESCOPINGLY ENGAGED WITH THE FRONT ENDS OF SAID FRONT LONGITUDINAL MEMBERS, A CASTER WHEEL UNIT DETACHABLY MOUNTED ON SAID REAR CROSS MEMBER, AND MEANS FOR DETACHABLY SECURING SAID FRONT AND REAR BODY MEMBERS TO SAID FRAME ENGAGED WITH SAID COUPLINGS THEREOF, AND MEANS FOR SECURING SAID DRAFT MEMBERS WITH SAID FRONT LONGITUDINAL MEMBERS AND WITH SAID FRONT BODY MEMBER.
Claim 2
Dependent Claim
343 words
A COLLAPSIBLE TRAILER COMPRISING A BODY INCLUDING HINGEDLY CONNECTED FRONT, INTERMEDIATE AND REAR MEMBERS, THE FRONT MEMBER HAVING A FRONT WALL AND SIDE WALL SECTIONS, THE REAR MEMBER HAVING A REAR WALL AND SIDE WALL SECTIONS, THE INTERMEDIATE BODY MEMBER BEING OF APPROXIMATELY THE WIDTH OF THE SIDE WALLS OF SAID FRONT AND REAR MEMBERS AND HAVING SIDE WALL SECTIONS OF CORRESPONDING WIDTH, THE SIDE WALL SECTIONS OF SAID FRONT, INTERMEDIATE AND REAR MEMBERS BEING COMPLEMENTARY WHEN THE BODY IS IN ERECTED POSITION, THE REAR MEMBER BEING DIMENSIONED SO THAT ITS WALLS ARE COLLAPSIBLE WITHIN THE WALLS OF THE FRONT MEMBER WITH THE WALL SECTIONS OF THE INTERMEDIATE MEMBER THEREBETWEEN, RIM MEMBERS OF INWARDLY FACING CHANNEL SECTION FIXEDLY SECURED TO THE SIDE WALLS OF SAID FRONT AND REAR MEMBERS WITH THEIR INNER ENDS TERMINATING IN SPACED RELATION TO THE INNER ENDS OF THE WALLS, INTERMEDIATE RIM MEMBERS OF INWARDLY FACING CHANNEL SECTION REMOVABLY ENGAGEABLE WITH THE WALLS OF SAID FRONT, INTERMEDIATE AND REAR MEMBERS IN COMPLEMENTARY RELATION TO THE RIM MEMBERS SECURED TO SAID FRONT AND REAR BODY MEMBERS'' SIDE WALLS WITH THEIR ENDS IN INTERLOCKING ENGAGEMENT THEREWITH WHEN THE BODY MEMBERS ARE IN ERECTED POSITION, A FRAME COMPRISING A REAR CROSS MEMBER INCLUDING LATERALLY SPACED CROSS MEMBERS AND TUBULAR COUPLINGS FIXEDLY SECURED THERETO, A FRONT CROSS MEMBER HAVING TUBULAR COUPLINGS FIXEDLY SECURED THERETO, LONGITUDINAL MEMBERS TELESCOPINGLY AND DETACHABLY ENGAGED WITH SAID COUPLING MEMBERS ON SAID CROSS MEMBERS AND HAVING ALIGNED LUGS ON THE INNER SIDES THEREOF DISPOSED BELOW SAID INTERMEDIATE BODY MEMBER, A CROSS BAR IN SUPPORTED ENGAGEMENT WITH SAID LUGS DISPOSED BELOW SAID INTERMEDIATE BODY MEMBER, FRONT LONGITUDINAL MEMBERS TELESCOPINGLY ENGAGED WITH SAID TUBULAR COUPLINGS ON SAID FRONT CROSS MEMBER, DRAFT MEMBERS TELESCOPINGLY ENGAGED WITH THE FRONT ENDS OF SAID FRONT LONGITUDINAL MEMBERS, A CASTER WHEEL UNIT DETACHABLY MOUNTED ON SAID REAR CROSS MEMBER, AND MEANS FOR DETACHABLY SECURING SAID FRONT AND REAR BODY MEMBERS TO SAID FRAME ENGAGED WITH SAID COUPLINGS THEREOF, AND MEANS FOR SECURING SAID DRAFT MEMBERS WITH SAID FRONT LONGITUDINAL MEMBERS AND WITH SAID FRONT BODY MEMBER.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |