Patent US3308978A successfully refreshed from Google Patents.
US3308978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand truck unloading apparatus
Assignee: Individual
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Filing: 1965-03-09
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Granted: 1967-03-14
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Expires: 1985-03-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Connie O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:28
CPC Classifications
B; B62; B62B; B62B1/00; B62B1/10; B62B1/14; B62B1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A HAND TRUCK OF THE TYPE HAVING AN ELONGATED FRAME, TWO WHEELS, AND A CARGO PLATFORM SECURED TO ONE END PORTION OF THE FRAME, THE IMPROVEMENT COMPRISING: (A) A HORIZONTAL CROSS BAR CONNECTED TO SAID ELONGATED FRAME; (B) A PAIR OF COLLARS ROTATABLY CONNECTED TO SAID CROSS BAR; (C) SPACER MEANS SELECTIVELY POSITIONED AND SECURED INTERMEDIATE SAID COLLARS; (D) A FIRST SET OF SUBSTANTIALLY PARALLEL LEGS, EACH HAVING ONE END THEREOF CONNECTED TO A RESPECTIVE COLLAR; (E) A CARGO ENGAGING MEMBER SECURED TO THE OPPOSITE ENDS OF SAID LEGS; (F) A SECOND SET OF SUBSTANTIALLY PARALLEL LEGS HAVING END PORTIONS SECURED TO ONE OF SAID CARGO ENGAGING MEMBER AND THE LOWER PORTIONS OF SAID FIRST SET OF LEGS, AND EXTENDING AWAY FROM SAID CARGO AND REARWARDLY OF SAID FRAME, WITH THE INCLUDED ANGLE BETWEEN SAID FIRST AND SECOND SETS OF PARALLEL LEGS BEING
Claim 2
Dependent Claim
144 words
IN A HAND TRUCK OF THE TYPE HAVING AN ELONGATED FRAME, TWO WHEELS, AND A CARGO PLATFORM SECURED TO ONE END PORTION OF THE FRAME, THE IMPROVEMENT COMPRISING: (A) A HORIZONTAL CROSS BAR CONNECTED TO SAID ELONGATED FRAME; (B) A PAIR OF COLLARS ROTATABLY CONNECTED TO SAID CROSS BAR; (C) SPACER MEANS SELECTIVELY POSITIONED AND SECURED INTERMEDIATE SAID COLLARS; (D) A FIRST SET OF SUBSTANTIALLY PARALLEL LEGS, EACH HAVING ONE END THEREOF CONNECTED TO A RESPECTIVE COLLAR; (E) A CARGO ENGAGING MEMBER SECURED TO THE OPPOSITE ENDS OF SAID LEGS; (F) A SECOND SET OF SUBSTANTIALLY PARALLEL LEGS HAVING END PORTIONS SECURED TO ONE OF SAID CARGO ENGAGING MEMBER AND THE LOWER PORTIONS OF SAID FIRST SET OF LEGS, AND EXTENDING AWAY FROM SAID CARGO AND REARWARDLY OF SAID FRAME, WITH THE INCLUDED ANGLE BETWEEN SAID FIRST AND SECOND SETS OF PARALLEL LEGS BEING
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |