Patent US2982531A successfully refreshed from Google Patents.
US2982531A
Expired / Lapsed
US
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Automatic feeding and heat treating apparatus
Assignee: Midland Ross Corp
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Filing: 1955-03-28
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Granted: 1961-05-02
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Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Ernest K Bastress
- 👤 Clarke C Sykes
- 👤 Ernest W Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:43
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/0024; F27B; F27B7/00; F27B7/20; F27B7/32; F27B7/3205; F27B2007/3276; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B2009/2484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US847451A
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US865203A
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US1086843A
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US1744273A
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US2630312A
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US2624561A
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US2652141A
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US2629482A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |