Patent US4644330A successfully refreshed from Google Patents.
Patent US2369803A successfully refreshed from Google Patents.
US2369803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying device
Assignee: Pako Corp
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Filing: 1941-08-23
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Granted: 1945-02-20
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Expires: 1961-08-23
Abstract
No abstract record available.
Inventors
- 👤 Sardeson Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:43
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/28; F26B3/30; F26B15/00; F26B15/10; F26B15/12; F26B15/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-02-20 | 1948-08-21 | 1949-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-02-20 | 1952-08-21 | 1953-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-02-20 | 1956-08-21 | 1957-02-20 | $7700.00 | Window Closed / Lapsed |