US2727262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated floor polishers
Assignee: Hoover Co
•
Filing: 1952-01-05
•
Granted: 1955-12-20
•
Expires: 1972-01-05
Abstract
No abstract record available.
Inventors
- 👤 Dale C Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:22
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
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR659062A
Cited
US1915495A
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US2126761A
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GB450248A
Cited
US2048096A
Cited
US2184446A
Cited
US2223963A
Cited
US2327229A
Cited
US2384458A
Cited
GB598919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-19 | 1959-06-20 | 1959-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-19 | 1963-06-20 | 1963-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-19 | 1967-06-20 | 1967-12-20 | $7700.00 | Window Closed / Lapsed |