Patent US3305109A successfully refreshed from Google Patents.
US3305109A
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Furnace discharging apparatus
Assignee: Amsler Morton Co
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Filing: 1962-09-19
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Granted: 1967-02-21
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Expires: 1982-09-19
Abstract
No abstract record available.
Inventors
- 👤 Cecil L Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:46
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/30; F27B9/38; F27B9/14; F27B9/20; F27B9/22; F27D; F27D3/00; F27D2003/0034; F27D2003/0042; F27D2003/0046; F27D2003/0051; F27M; F27M2001/00; F27M2001/15; F27M2001/1539; F27M2001/1547; F27M2001/1552
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |