US3263822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable hoist
Assignee: VALLEY CRAFT PRODUCTS Inc
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Filing: 1965-01-14
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Granted: 1966-08-02
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Carl E Weinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:37
CPC Classifications
B; B66; B66C; B66C23/00; B66C23/18; B66C23/36; B66C23/48; Y; Y10; Y10S; Y10S212/00; Y10S212/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A HOIST COMPRISING A BASE, FLOOR ENGAGING MEANS FOR SUPPORTING SAID BASE, A BOOM, SUPPORTING MEANS FOR THE BOOM CARRIED BY THE BASE AND DISPOSED TOWARD ONE END THEREOF, MEANS FOR GUIDING SAID BOOM FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS, MEANS FOR RAISING AND LOWERING SAID BOOM, THE COMBINATION OF: (A) A GUIDE EXTENDING TRANSVERSELY OF SAID FRAME AND FREE AT BOTH ENDS, SAID GUIDE BEING (B) DISPOSED AT THE END OF THE BASE AT WHICH THE BOOM IS LOCATED, (C) A SINGLE BEAM LONGER THAN THE GUIDE AND SLIDEABLE ALONG THE GUIDE, (D) SAID BEAM HAVING END PORTIONS AT EACH END EXTENDING OUTWARDLY BEYOND THE END SAID GUIDE AND
Claim 2
Dependent Claim
112 words
IN A HOIST COMPRISING A BASE, FLOOR ENGAGING MEANS FOR SUPPORTING SAID BASE, A BOOM, SUPPORTING MEANS FOR THE BOOM CARRIED BY THE BASE AND DISPOSED TOWARD ONE END THEREOF, MEANS FOR GUIDING SAID BOOM FOR ROTATION ABOUT A SUBSTANTIALLY VERTICAL AXIS, MEANS FOR RAISING AND LOWERING SAID BOOM, THE COMBINATION OF: (A) A GUIDE EXTENDING TRANSVERSELY OF SAID FRAME AND FREE AT BOTH ENDS, SAID GUIDE BEING (B) DISPOSED AT THE END OF THE BASE AT WHICH THE BOOM IS LOCATED, (C) A SINGLE BEAM LONGER THAN THE GUIDE AND SLIDEABLE ALONG THE GUIDE, (D) SAID BEAM HAVING END PORTIONS AT EACH END EXTENDING OUTWARDLY BEYOND THE END SAID GUIDE AND
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |