Patent US2700830A successfully refreshed from Google Patents.
US2700830A
Expired / Lapsed
US
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Grain drier or the like
Assignee: Individual
•
Filing: 1950-09-15
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Granted: 1955-02-01
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Expires: 1970-09-15
Abstract
No abstract record available.
Inventors
- 👤 Mark A Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:21
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/14; F26B17/1408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US38723A
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US516114A
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US533929A
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US622521A
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US2020504A
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US2280835A
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US2200379A
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US2152367A
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US2495311A
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US2519531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |