US1849663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum floor mopper
Assignee: Individual
•
Filing: 1928-12-26
•
Granted: 1932-03-15
•
Expires: 1948-12-26
Abstract
No abstract record available.
Inventors
- 👤 Walter S Finnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:35
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4097; A47L11/29; A47L11/30; A47L11/4013; A47L11/4016; A47L11/4036; A47L11/4044; A47L11/4052; A47L11/4075; A47L7/00; A47L7/0004; A47L7/0009; A47L7/0023; A47L7/0038; A47L9/00; A47L9/02
Claims Analysis
Total Claims: 0
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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) | 1935-03-15 | 1935-09-14 | 1936-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-03-15 | 1939-09-14 | 1940-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-03-15 | 1943-09-14 | 1944-03-15 | $7700.00 | Window Closed / Lapsed |