US2677951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable wringer
Assignee: Individual
•
Filing: 1950-07-21
•
Granted: 1954-05-11
•
Expires: 1970-07-21
Abstract
No abstract record available.
Inventors
- 👤 John F Haines
- 👤 Betty F Haines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:24
CPC Classifications
D; D06; D06F; D06F45/00; D06F45/16; D06F45/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US523642A
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US831734A
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US1464045A
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GB229494A
Cited
US1692827A
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US1673473A
Cited
GB390538A
Cited
US1943503A
Cited
US1932625A
Cited
US2493916A
Cited
US2575634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |