Patent US2664646A successfully refreshed from Google Patents.
US2664646A
Expired / Lapsed
US
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Drying apparatus
Assignee: Temco Inc
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Filing: 1950-10-05
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Granted: 1954-01-05
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Expires: 1970-10-05
Abstract
No abstract record available.
Inventors
- 👤 Howard L Bourner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:36
CPC Classifications
D; D06; D06F; D06F58/00; D06F58/20; D06F58/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US167427A
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US2172603A
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US1531846A
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US1453260A
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US1624650A
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US2406494A
Cited
US2550118A
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US2486058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-04 | 1957-07-06 | 1958-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-04 | 1961-07-06 | 1962-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-04 | 1965-07-06 | 1966-01-05 | $7700.00 | Window Closed / Lapsed |