US2498205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor polisher
Assignee: Individual
•
Filing: 1945-01-30
•
Granted: 1950-02-21
•
Expires: 1965-01-30
Abstract
No abstract record available.
Inventors
- 👤 Goldenberg Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:57
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4041; A47L11/02; A47L11/10; A47L11/14; A47L11/18; A47L11/185; A47L11/4063; A47L11/4069; A47L11/4072; A47L11/4075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US869817A
Cited
US937353A
Cited
US960879A
Cited
US1162098A
Cited
US1334240A
Cited
US1391039A
Cited
US1642440A
Cited
US1820482A
Cited
US1846507A
Cited
US2011214A
Cited
US2237999A
Cited
US2247970A
Cited
US2287923A
Cited
US2302812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |