US3222043A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace transfer mechanism
Assignee: Sunbeam Equipment Corp
•
Filing: 1964-04-17
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Granted: 1965-12-07
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Expires: 1984-04-17
Abstract
No abstract record available.
Inventors
- 👤 Vincent R Troglione
- 👤 Smith Jonathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:56
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0073; C; C21; C21D; C21D1/00; C21D1/74; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/22; F27B9/30; F27B9/38; F27B9/04; F27B9/045; F27D1/00; F27D1/18; F27D1/1858; F27D3/00; F27D2003/0034; F27D2003/0053; F27D3/04; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/1547
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
HEAT TREATING APPARATUS COMPRISING A FURANCE ENCLOSURE HAVING AN ENTRANCE THROUGH WHICH WORK TO BE HEAT TREATED MAY BE INSERTED, A MOVABLE DOOR FOR SAID ENTRANCE, WORK TRANSFER MECHANISM INCLUDING A LONGITUDINALLY MOVABLE ROD, SAID DOOR BEING FORMED WITH AN OPENING THROUGH WHICH SAID ROD MAY EXTEND, MEANS FOR RECIPROCATING THE ROD THROUGH SAID OPENING TO TRANSFER WORK WITHIN SAID ENCLOSURE, SEALING MEANS FOR SAID OPENING INCLUDING A BALL SEATED BY GRAVITY IN A SEAT MEMBER, SAID BALL AND SEAT MEMBER SEALING SAID OPENING INTO SAID ENCLOSURE, MEANS GUIDING SAID ROD INTO ENGAGEMENT WITH SAID BALL WHEREBY SAID BALL IS DISPLACED OUT OF SEALED ENGAGEMENT WITH SAID SEAT MEMBER PERMITTING SAID ROD TO ENTER SAID ENCLOSURE.
Claim 2
Dependent Claim
116 words
HEAT TREATING APPARATUS COMPRISING A FURANCE ENCLOSURE HAVING AN ENTRANCE THROUGH WHICH WORK TO BE HEAT TREATED MAY BE INSERTED, A MOVABLE DOOR FOR SAID ENTRANCE, WORK TRANSFER MECHANISM INCLUDING A LONGITUDINALLY MOVABLE ROD, SAID DOOR BEING FORMED WITH AN OPENING THROUGH WHICH SAID ROD MAY EXTEND, MEANS FOR RECIPROCATING THE ROD THROUGH SAID OPENING TO TRANSFER WORK WITHIN SAID ENCLOSURE, SEALING MEANS FOR SAID OPENING INCLUDING A BALL SEATED BY GRAVITY IN A SEAT MEMBER, SAID BALL AND SEAT MEMBER SEALING SAID OPENING INTO SAID ENCLOSURE, MEANS GUIDING SAID ROD INTO ENGAGEMENT WITH SAID BALL WHEREBY SAID BALL IS DISPLACED OUT OF SEALED ENGAGEMENT WITH SAID SEAT MEMBER PERMITTING SAID ROD TO ENTER SAID ENCLOSURE.
References Cited (Backward Citations)
US2773312A
Cited
US2842352A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |