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US2700094A
Expired / Lapsed
US
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Heating drum
Assignee: Individual
•
Filing: 1951-02-06
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Granted: 1955-01-18
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Expires: 1971-02-06
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Hosack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:57
CPC Classifications
F; F28; F28F; F28F5/00; F28F5/02; F26; F26B; F26B13/00; F26B13/10; F26B13/14; F26B13/18; F26B13/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US695041A
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US751527A
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US1151203A
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US963942A
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US1672036A
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US1754826A
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US1812802A
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US2322957A
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US2552360A
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US2483275A
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US2474759A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-17 | 1958-07-19 | 1959-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-17 | 1962-07-19 | 1963-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-17 | 1966-07-19 | 1967-01-18 | $7700.00 | Window Closed / Lapsed |