US2496972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Scouring attachment for electric mixers
Assignee: Individual
•
Filing: 1946-07-08
•
Granted: 1950-02-07
•
Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Helen C Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:50
CPC Classifications
A; A47; A47L; A47L17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US180080A
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US587198A
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US701285A
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FR540530A
Cited
US1591143A
Cited
US1870349A
Cited
US1926223A
Cited
US2058213A
Cited
US2275339A
Cited
US2311879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-06 | 1953-08-08 | 1954-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-06 | 1957-08-08 | 1958-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-06 | 1961-08-08 | 1962-02-07 | $7700.00 | Window Closed / Lapsed |