Patent US3236397A successfully refreshed from Google Patents.
US3236397A
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Article handling apparatus
Assignee: National Steel Corp
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Filing: 1963-10-11
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Granted: 1966-02-22
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Ira W Lakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:32
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/22; C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/44; C21C5/441
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
ARTICLE HANDLING APPARATUS FOR LINING A FURNACE COMPRISING AN ELONGATED LONGITUDINALLY EXTENSIBLE ARM; SUPPORT MEANS FOR THE ARM; MEANS MOUNTING THE ARM FOR HORIZONTAL SWINGING MOVEMENT AND VERTICAL SWINGING MOVEMENT AND BODILY VERTICAL MOVEMENT RELATIVE TO THE SUPPORT MEANS, SAID LATTER MEANS INCLUDING A VERTICAL COLUMN AND AN OPERATOR''S CAB, MEANS MOUNTING SAID CAB ON SAID COLUMN FOR BODILY VERTICAL MOVEMENT OF SAID CAB RELATIVE TO SAID COLUMN, AND FOOT MEANS FOR SUPPORTING THE BOTTOM OF THE COLUMN ON THE BOTTOM OF THE FURNACE; ARTICLE CLAMPING MEANS; AND MEANS MOUNTING THE ARTICLE
Claim 2
Dependent Claim
92 words
ARTICLE HANDLING APPARATUS FOR LINING A FURNACE COMPRISING AN ELONGATED LONGITUDINALLY EXTENSIBLE ARM; SUPPORT MEANS FOR THE ARM; MEANS MOUNTING THE ARM FOR HORIZONTAL SWINGING MOVEMENT AND VERTICAL SWINGING MOVEMENT AND BODILY VERTICAL MOVEMENT RELATIVE TO THE SUPPORT MEANS, SAID LATTER MEANS INCLUDING A VERTICAL COLUMN AND AN OPERATOR''S CAB, MEANS MOUNTING SAID CAB ON SAID COLUMN FOR BODILY VERTICAL MOVEMENT OF SAID CAB RELATIVE TO SAID COLUMN, AND FOOT MEANS FOR SUPPORTING THE BOTTOM OF THE COLUMN ON THE BOTTOM OF THE FURNACE; ARTICLE CLAMPING MEANS; AND MEANS MOUNTING THE ARTICLE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |