Patent US2861446A successfully refreshed from Google Patents.
US2861446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machines for treating or washing clothes and the like
Assignee: Individual
•
Filing: 1953-08-20
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Granted: 1958-11-25
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Expires: 1973-08-20
Abstract
No abstract record available.
Inventors
- 👤 Petterson Olof Holger
- 👤 Fredholm Gunnar Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:21
CPC Classifications
D; D06; D06F; D06F21/00; D06F21/02; D06F23/00; D06F23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1913612A
Cited
US2057277A
Cited
GB417171A
Cited
US2180225A
Cited
US2224347A
Cited
US2230224A
Cited
US2369700A
Cited
US2399555A
Cited
US2608003A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |