US2280077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for cleaning and treating floors
Assignee: JULIUS H KIEL
•
Filing: 1940-10-29
•
Granted: 1942-04-21
•
Expires: 1960-10-29
Abstract
No abstract record available.
Inventors
- 👤 Owen Ira June
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:34
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4013; A47L11/02; A47L11/10; A47L11/12; A47L11/4036; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; A47L11/408; 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)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-04-20 | 1945-10-20 | 1946-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-04-20 | 1949-10-20 | 1950-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-04-20 | 1953-10-20 | 1954-04-21 | $7700.00 | Window Closed / Lapsed |