Patent US3107797A successfully refreshed from Google Patents.
US3107797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scrap handling
Assignee: Pennsylvania Engineering Corp
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Filing: 1960-12-02
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Granted: 1963-10-22
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Harry L Mcfeaters
- 👤 Ira W Lakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:10
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0025; F27D3/0031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A MATERIAL HANDLING INSTALLATION FOR CHARGING A FURNACE HAVING AN OPEN MOUTH PORTION WITH SCRAP MATERIAL WHEREIN A CHARGING MACHINE IS OPERATIVELY POSITIONED BEHIND THE FURNACE FOR MOVEMENT INTO A CHARGING POSITION WITH RESPECT TO THE FURNACE WHICH COMPRISES, A PLATFORM FRAME CARRIED BY THE MACHINE, A SWING FRAME POSITIONED ABOVE SAID PLATFORM FRAME AND HAVING PIVOT MEANS AT A FRONT END THEREOF SWINGABLY CONNECTING IT WITH RESPECT TO A FURNACE SIDE AT SAID PLATFORM FRAME, A CRADLE FRAME POSITIONED ABOVE SAID SWING FRAME AND HAVING PIVOT MEANS SWINGABLY CONNECTING ITS FRONT END PORTION WITH RESPECT TO THE FURNACE SIDE OF SAID PLATFORM FRAME, A SCRAP BOX HAVING A DELIVERY END PORTION FACING TOWARDS THE FURNACE, COOPERATING MEANS BETWEEN SAID SCRAP BOX AND SAID CRADLE FRAME FOR REMOVABLY POSITIONING SAID SCRAP BOX THEREON, ACTUATING MEANS CONNECTED BETWEEN SAID SWING FRAME AND SAID CRADLE FRAME AND BETWEEN SAID SWING FRAME AND SAID PLATFORM FRAME FOR RAISING AND LOWERING SAID CRADLE FRAME ABOUT ITS PIVOT MEANS TO TILT SAID SCRAP BOX INTO
Claim 2
Dependent Claim
170 words
A MATERIAL HANDLING INSTALLATION FOR CHARGING A FURNACE HAVING AN OPEN MOUTH PORTION WITH SCRAP MATERIAL WHEREIN A CHARGING MACHINE IS OPERATIVELY POSITIONED BEHIND THE FURNACE FOR MOVEMENT INTO A CHARGING POSITION WITH RESPECT TO THE FURNACE WHICH COMPRISES, A PLATFORM FRAME CARRIED BY THE MACHINE, A SWING FRAME POSITIONED ABOVE SAID PLATFORM FRAME AND HAVING PIVOT MEANS AT A FRONT END THEREOF SWINGABLY CONNECTING IT WITH RESPECT TO A FURNACE SIDE AT SAID PLATFORM FRAME, A CRADLE FRAME POSITIONED ABOVE SAID SWING FRAME AND HAVING PIVOT MEANS SWINGABLY CONNECTING ITS FRONT END PORTION WITH RESPECT TO THE FURNACE SIDE OF SAID PLATFORM FRAME, A SCRAP BOX HAVING A DELIVERY END PORTION FACING TOWARDS THE FURNACE, COOPERATING MEANS BETWEEN SAID SCRAP BOX AND SAID CRADLE FRAME FOR REMOVABLY POSITIONING SAID SCRAP BOX THEREON, ACTUATING MEANS CONNECTED BETWEEN SAID SWING FRAME AND SAID CRADLE FRAME AND BETWEEN SAID SWING FRAME AND SAID PLATFORM FRAME FOR RAISING AND LOWERING SAID CRADLE FRAME ABOUT ITS PIVOT MEANS TO TILT SAID SCRAP BOX INTO
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |