US3165348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handling device for cylindrical or like objects
Assignee: Caterpillar Inc
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Filing: 1963-09-03
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Granted: 1965-01-12
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Expires: 1983-09-03
Abstract
No abstract record available.
Inventors
- 👤 Howard O Keskitalo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:45
CPC Classifications
B; B66; B66C; B66C1/00; B66C1/10; B66C1/42; B66C1/425; B66C1/427
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A GRAPPLING DEVICE FOR HANDLING CYLINDRICAL OR THE LIKE ARTICLES COMPRISING A RELATIVELY STATIONARY FRAME WITH AN ARTICLE ENGAGING SHOE THEREON, LEVERS PIVOTED TO SAID FRAME AT OPPOSITE SIDES OF SAID SHOE, SECOND LEVERS PIVOTED ONE TO EACH OF SAID FIRST NAMED LEVERS, AN ARTICLE ENGAGING SHOE ON EACH OF SAID FIRST AND SECOND LEVERS, POWER ACTUATED EXTENSIBLE MEANS BETWEEN THE FIRST LEVERS TO SWING THEM INWARDLY TOWARD AN ARTICLE, AND LINKAGE CONNECTING THE SECOND LEVERS WITH SAID FRAME TO EFFECT INWARD SWINGING OF THE SECOND LEVERS UPON INWARD SWINGING OF THE FIRST LEVERS.
Claim 2
Dependent Claim
94 words
A GRAPPLING DEVICE FOR HANDLING CYLINDRICAL OR THE LIKE ARTICLES COMPRISING A RELATIVELY STATIONARY FRAME WITH AN ARTICLE ENGAGING SHOE THEREON, LEVERS PIVOTED TO SAID FRAME AT OPPOSITE SIDES OF SAID SHOE, SECOND LEVERS PIVOTED ONE TO EACH OF SAID FIRST NAMED LEVERS, AN ARTICLE ENGAGING SHOE ON EACH OF SAID FIRST AND SECOND LEVERS, POWER ACTUATED EXTENSIBLE MEANS BETWEEN THE FIRST LEVERS TO SWING THEM INWARDLY TOWARD AN ARTICLE, AND LINKAGE CONNECTING THE SECOND LEVERS WITH SAID FRAME TO EFFECT INWARD SWINGING OF THE SECOND LEVERS UPON INWARD SWINGING OF THE FIRST LEVERS.
References Cited (Backward Citations)
US2683546A
Cited
GB900720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-12 | 1968-07-13 | 1969-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-12 | 1972-07-13 | 1973-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-12 | 1976-07-13 | 1977-01-12 | $7700.00 | Window Closed / Lapsed |