US2621350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination floor washing, sanding, oiling, and polishing machine
Assignee: Individual
•
Filing: 1948-01-09
•
Granted: 1952-12-16
•
Expires: 1968-01-09
Abstract
No abstract record available.
Inventors
- 👤 Ole L Bye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:46
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/4013; A47L11/4016; A47L11/4025; A47L11/4036; A47L11/4041; A47L11/4047; A47L11/4052; A47L11/4055; A47L11/4058; A47L11/4063; A47L11/4066; A47L11/4072; A47L11/4083
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US515877A
Cited
US811119A
Cited
US862411A
Cited
US867620A
Cited
US1229648A
Cited
US1179427A
Cited
US1393100A
Cited
US1489955A
Cited
US1504476A
Cited
US1691263A
Cited
US1823774A
Cited
US1884387A
Cited
US1804636A
Cited
US1954314A
Cited
US1963139A
Cited
US2023816A
Cited
US2088246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |