Patent US2922381A successfully refreshed from Google Patents.
US2922381A
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Transfer mechanism for tunnel kiln
Assignee: SWINDELL DRESSLER CORP
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Filing: 1957-01-23
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Granted: 1960-01-26
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Expires: 1977-01-23
Abstract
No abstract record available.
Inventors
- 👤 Edward C Horni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:33
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/0492; F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/26; F27B9/262
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584031A
Cited
US1629805A
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US1764354A
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US2229340A
Cited
US2321253A
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US2414301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |