US3275367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting fork for sheet material
Assignee: US TRUCK CRANES Inc A PA CORP
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Filing: 1964-03-25
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Granted: 1966-09-27
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Expires: 1984-03-25
Abstract
No abstract record available.
Inventors
- 👤 Cecil W Bopp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:32
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A LIFTING FORK APPARATUS, A FORK MEANS INCLUDING A NORMALLY HORIZONTAL FRAME PORTION, A SUPPORTING ASSEMBLY PIVOTALLY SECURED TO SAID FRAME PORTION, SAID SUPPORTING ASSEMBLY INCLUDING A BALANCE FRAME SLIDABLY MOUNTED THEREON, CONNECTING MEANS ON SAID BALANCE FRAME FOR CONNECTING TO AN OVERHEAD LIFTING MEANS, AND RELATIVELY INTERLOCKING MEANS CONNECTING SAID SUPPORTING ASSEMBLY AND SAID FRAME PORTION WHEREBY SAID SUPPORTING ASSEMBLY CAN BE SELECTIVELY DISPOSED IN ONE OF A PLURALITY OF ANGULAR POSITIONS WITH RESPECT TO SAID FRAME PORTION, SAID BALANCE FRAME BEING SLIDABLY MOVABLE TOWARDS AND AWAY FROM THE PIVOTAL CONNECTION BETWEEN SAID SUPPORTING ASSEMBLY AND SAID FRAME PORTION WHEREBY SAID FORK MEANS WILL BE SELFBALANCING UNDER BOTH LOADED AND UNLOADED CONDITIONS.
Claim 2
Dependent Claim
114 words
IN A LIFTING FORK APPARATUS, A FORK MEANS INCLUDING A NORMALLY HORIZONTAL FRAME PORTION, A SUPPORTING ASSEMBLY PIVOTALLY SECURED TO SAID FRAME PORTION, SAID SUPPORTING ASSEMBLY INCLUDING A BALANCE FRAME SLIDABLY MOUNTED THEREON, CONNECTING MEANS ON SAID BALANCE FRAME FOR CONNECTING TO AN OVERHEAD LIFTING MEANS, AND RELATIVELY INTERLOCKING MEANS CONNECTING SAID SUPPORTING ASSEMBLY AND SAID FRAME PORTION WHEREBY SAID SUPPORTING ASSEMBLY CAN BE SELECTIVELY DISPOSED IN ONE OF A PLURALITY OF ANGULAR POSITIONS WITH RESPECT TO SAID FRAME PORTION, SAID BALANCE FRAME BEING SLIDABLY MOVABLE TOWARDS AND AWAY FROM THE PIVOTAL CONNECTION BETWEEN SAID SUPPORTING ASSEMBLY AND SAID FRAME PORTION WHEREBY SAID FORK MEANS WILL BE SELFBALANCING UNDER BOTH LOADED AND UNLOADED CONDITIONS.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |