US2941222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric floor polishers
Assignee: Electrolux Corp
•
Filing: 1958-11-24
•
Granted: 1960-06-21
•
Expires: 1978-11-24
Abstract
No abstract record available.
Inventors
- 👤 Oliver L Allen
- 👤 Leon P Borkoski
- 👤 Raymond L Brown
- 👤 John T Ferraris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:22
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/4036; A47L11/4038; A47L11/4063; A47L11/4069; A47L11/4075; A47L11/4077
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1728520A
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US1961384A
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US2026006A
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US2045406A
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US2258165A
Cited
US2683884A
Cited
US2673996A
Cited
US2674896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |