Patent US2431207A successfully refreshed from Google Patents.
US2431207A
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Continuous bake oven
Assignee: CHARLOTTE VON GLAHN SELTMAN
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Filing: 1942-11-25
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Granted: 1947-11-18
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Expires: 1962-11-25
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:23
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/42; A21B1/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US784854A
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US1679717A
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US1793190A
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US1733926A
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US1940889A
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US1971766A
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US2224634A
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US2253141A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-11-17 | 1951-05-19 | 1951-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-11-17 | 1955-05-19 | 1955-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-11-17 | 1959-05-19 | 1959-11-18 | $7700.00 | Window Closed / Lapsed |