US2553581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination automatic washing machine and drier
Assignee: Individual
•
Filing: 1946-07-17
•
Granted: 1951-05-22
•
Expires: 1966-07-17
Abstract
No abstract record available.
Inventors
- 👤 Cleburne B Hatfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:33
CPC Classifications
D; D06; D06F; D06F25/00; D06F17/00; D06F17/12; D06F37/00; D06F37/30; D06F37/42; D06F39/00; D06F39/08; D06F58/00; D06F58/20; D06F58/26; D06F58/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US974591A
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US1528180A
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US1891842A
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US2063843A
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US2165523A
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US2407660A
Cited
US2312950A
Cited
US2296266A
Cited
US2372853A
Cited
US2407982A
Cited
US2394142A
Cited
US2374590A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |