Patent US2680609A successfully refreshed from Google Patents.
US2680609A
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Tilting assembly for oscillating melting furnaces
Assignee: Reda Pump Co
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Filing: 1952-07-29
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Granted: 1954-06-08
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Expires: 1972-07-29
Abstract
No abstract record available.
Inventors
- 👤 Arutunoff Armais
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:49
CPC Classifications
F; F27; F27D; F27D11/00; F27B; F27B3/00; F27B3/06; F27B3/065; F27D3/00; F27D2003/0085; F27D2003/0089; F27D2003/009; Y; Y10; Y10S; Y10S266/00; Y10S266/90; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US274055A
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US1273289A
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US2202224A
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US2455531A
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US2481699A
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US2513050A
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US2678455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |