Patent US2472594A successfully refreshed from Google Patents.
US2472594A
Expired / Lapsed
US
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Apparatus for progessively melting and dispensing solidified materials
Assignee: Individual
•
Filing: 1946-04-04
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Granted: 1949-06-07
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Expires: 1966-04-04
Abstract
No abstract record available.
Inventors
- 👤 Jack W Kuehn
- 👤 Marvin J Rosefield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:57
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12; C10; C10C; C10C3/00; C10C3/10; C10C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US599047A
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US709315A
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US1234091A
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US1619110A
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GB264038A
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US1751713A
Cited
US1903504A
Cited
FR700805A
Cited
GB359941A
Cited
US1993973A
Cited
US2084614A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |