Patent US3214035A successfully refreshed from Google Patents.
US3214035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charging scrap
Assignee: Pennsylvania Engineering Corp
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Filing: 1963-10-28
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Granted: 1965-10-26
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Richard P Krause
- 👤 Ira W Lakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:24
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/466; F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0031; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
IMPROVED APPARATUS FOR CHARGING AN OPEN MOUTH OF A FURNACE WITH SCRAP MATERIAL WHICH COMPRISES, AT LEAST ONE SCRAP BOX HAVING A FRONT FURNACE-CHARGING END AND AN OPEN TOP FOR FILLING IT WITH SCRAP MATERIAL, A CARRIER FRAME, SAID CARRIER FRAME HAVING MEANS COOPERATING WITH AND REMOVABLY SUPPORTING THE SCRAP BOX IN AN UPRIGHT POSITION THEREON AND FOR RETAINING THE SCRAP BOX IN AN UPRIGHT POSITION THEREON WHILE IT IS BEING FILLED WITH SCRAP MATERIAL AND WHILE IT IS BEING MOVED TO A FURNACE CHARGING AREA, A CRADLE FRAME WITHIN THE CHARGING AREA FOR SWINGABLE MOVEMENT TO AND FROM A FORWARDLY TILTED POSITION WITH RESPECT TO THE FURNACE MOUTH, MMEANS COOPERATING WITH SAID CARRIER FRAME FOR MOVING THE FILLED SCRAP BOX TO A SEATED POSITION ON SAID CRADLE FRAME, AND MEANS FOR MOVING SAID CRADLE FRAME AND THE FILLED SCRAP BOX THEREON TO THE FORWARDLY TILTED POSITION OF SAID CRADLE FRAME TO TILT SAID SCRAP BOX FORWARDLY INTO A SCRAP CHARGING POSITION WITH THE OPEN MOUTH OF THE FURNACE.
Claim 2
Dependent Claim
169 words
IMPROVED APPARATUS FOR CHARGING AN OPEN MOUTH OF A FURNACE WITH SCRAP MATERIAL WHICH COMPRISES, AT LEAST ONE SCRAP BOX HAVING A FRONT FURNACE-CHARGING END AND AN OPEN TOP FOR FILLING IT WITH SCRAP MATERIAL, A CARRIER FRAME, SAID CARRIER FRAME HAVING MEANS COOPERATING WITH AND REMOVABLY SUPPORTING THE SCRAP BOX IN AN UPRIGHT POSITION THEREON AND FOR RETAINING THE SCRAP BOX IN AN UPRIGHT POSITION THEREON WHILE IT IS BEING FILLED WITH SCRAP MATERIAL AND WHILE IT IS BEING MOVED TO A FURNACE CHARGING AREA, A CRADLE FRAME WITHIN THE CHARGING AREA FOR SWINGABLE MOVEMENT TO AND FROM A FORWARDLY TILTED POSITION WITH RESPECT TO THE FURNACE MOUTH, MMEANS COOPERATING WITH SAID CARRIER FRAME FOR MOVING THE FILLED SCRAP BOX TO A SEATED POSITION ON SAID CRADLE FRAME, AND MEANS FOR MOVING SAID CRADLE FRAME AND THE FILLED SCRAP BOX THEREON TO THE FORWARDLY TILTED POSITION OF SAID CRADLE FRAME TO TILT SAID SCRAP BOX FORWARDLY INTO A SCRAP CHARGING POSITION WITH THE OPEN MOUTH OF THE FURNACE.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |