US3089599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoist
Assignee: Individual
•
Filing: 1961-05-23
•
Granted: 1963-05-14
•
Expires: 1981-05-23
Abstract
No abstract record available.
Inventors
- 👤 Casella Francesco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:37
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1805; E04F21/1822
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A MATERIAL HANDLING HOIST COMPRISING A VERTICAL HOLLOW POST HAVING A LONGITUDINAL SLOT THEREIN, AN ELONGATED MEMBER ARRANGED PARALLEL TO SAID POST AND MOVABLE WITHIN SAID SLOT, AN ELONGATED PANEL SUPPORT ARM PIVOTALLY SECURED AT ONE END TO A POINT NEAR THE UPPER END OF SAID MEMBER, A FOLDABLE BRACE HINGEDLY CONNECTED TO SAID ELONGATED MEMBER AND TO SAID PANEL SUPPORT ARM FOR LOCKING SAID PANEL SUPPORT ARM IN THE HORIZONTAL POSITION OR FOR COLLAPSING SAID PANEL SUPPORT ARM ADJACENT TO AND PARALLEL TO SAID POST, MEANS FOR RELEASABLY RETAINING SAID PANEL SUPPORT ARM IN ANY POSITION OVER THE RANGE OF HEIGHTS OVER WHICH SAID ELONGATED MEMBER CAN BE MOVED,
Claim 2
Dependent Claim
110 words
A MATERIAL HANDLING HOIST COMPRISING A VERTICAL HOLLOW POST HAVING A LONGITUDINAL SLOT THEREIN, AN ELONGATED MEMBER ARRANGED PARALLEL TO SAID POST AND MOVABLE WITHIN SAID SLOT, AN ELONGATED PANEL SUPPORT ARM PIVOTALLY SECURED AT ONE END TO A POINT NEAR THE UPPER END OF SAID MEMBER, A FOLDABLE BRACE HINGEDLY CONNECTED TO SAID ELONGATED MEMBER AND TO SAID PANEL SUPPORT ARM FOR LOCKING SAID PANEL SUPPORT ARM IN THE HORIZONTAL POSITION OR FOR COLLAPSING SAID PANEL SUPPORT ARM ADJACENT TO AND PARALLEL TO SAID POST, MEANS FOR RELEASABLY RETAINING SAID PANEL SUPPORT ARM IN ANY POSITION OVER THE RANGE OF HEIGHTS OVER WHICH SAID ELONGATED MEMBER CAN BE MOVED,
References Cited (Backward Citations)
US402175A
Cited
US1558636A
Cited
US1861191A
Cited
US2010588A
Cited
US2167157A
Cited
US2222078A
Cited
US2257876A
Cited
US2815251A
Cited
US2832479A
Cited
US2882100A
Cited
US3018842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |