US2600233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor processing apparatus
Assignee: Individual
•
Filing: 1949-03-12
•
Granted: 1952-06-10
•
Expires: 1969-03-12
Abstract
No abstract record available.
Inventors
- 👤 Walter S Finnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:25
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4036; A47L11/4038; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/162; A47L11/1625; A47L11/4063; A47L11/4069; A47L11/408; A47L11/4083; A47L11/4088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434109A
Cited
US1927225A
Cited
US1927226A
Cited
US1964318A
Cited
US1794462A
Cited
US2287356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |