Patent US2473629A successfully refreshed from Google Patents.
US2473629A
Expired / Lapsed
US
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Drying apparatus
Assignee: Individual
•
Filing: 1944-11-16
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Granted: 1949-06-21
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Expires: 1964-11-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard R Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:22
CPC Classifications
F; F26; F26B; F26B13/00; F26B13/10; F26B3/00; F26B3/28; F26B3/30; F26B3/305
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |