US2591209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Washing and drying machine
Assignee: Individual
•
Filing: 1947-02-14
•
Granted: 1952-04-01
•
Expires: 1967-02-14
Abstract
No abstract record available.
Inventors
- 👤 Darrell W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:55
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1799649A
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US1979693A
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US2121431A
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US2167322A
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US2237603A
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US2266586A
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US2302996A
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US2295437A
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US2336539A
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US2416499A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |