US3135403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Material handling apparatus
Assignee: Warner and Swasey Co
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Filing: 1962-03-12
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Granted: 1964-06-02
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Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Przybylski
- 👤 George E Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:03
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/30; E02F3/306; E02F3/283; E02F3/286; E02F3/303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN A MATERIAL HANDLING DEVICE HAVING A BOOM STRUCTURE INCLUDING A BASE MEMBER AND AN ELONGATED BOOM MEMBER SUPPORTED ON SAID BASE MEMBER IN A PREDETERMINED POSITION FOR ROTATION ABOUT A LONGITUDINAL AXIS THERETHROUGH AND ADAPTED TO CARRY A MATERIAL HANDLING TOOL, COOPERATING MEANS MOUNTED ON SAID BASE MEMBER AND SAID BOOM MEMBER FOR SUPPORTING SAID BOOM MEMBER FOR ROTATION ABOUT SAID LONGITUDINAL AXIS AND ENGAGEABLE BY MOVEMENT OF SAID BOOM MEMBER TO SAID POSITION, CO-OPERATING ABUTMENT MEANS ON SAID BASE MEMBER AND SAID BOOM MEMBER FOR PREVENTING MOVEMENT OF SAID BOOM MEMBER LONGITUDINALLY OF THE AXIS THEREOF WHEN OPERATIVELY ENGAGED, SAID ABUTMENT MEANS BEING OPERATIVELY
Claim 2
Dependent Claim
106 words
IN A MATERIAL HANDLING DEVICE HAVING A BOOM STRUCTURE INCLUDING A BASE MEMBER AND AN ELONGATED BOOM MEMBER SUPPORTED ON SAID BASE MEMBER IN A PREDETERMINED POSITION FOR ROTATION ABOUT A LONGITUDINAL AXIS THERETHROUGH AND ADAPTED TO CARRY A MATERIAL HANDLING TOOL, COOPERATING MEANS MOUNTED ON SAID BASE MEMBER AND SAID BOOM MEMBER FOR SUPPORTING SAID BOOM MEMBER FOR ROTATION ABOUT SAID LONGITUDINAL AXIS AND ENGAGEABLE BY MOVEMENT OF SAID BOOM MEMBER TO SAID POSITION, CO-OPERATING ABUTMENT MEANS ON SAID BASE MEMBER AND SAID BOOM MEMBER FOR PREVENTING MOVEMENT OF SAID BOOM MEMBER LONGITUDINALLY OF THE AXIS THEREOF WHEN OPERATIVELY ENGAGED, SAID ABUTMENT MEANS BEING OPERATIVELY
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |