US1506016A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor-scrubbing machine
Assignee: Individual
•
Filing: 1919-07-19
•
Granted: 1924-08-26
•
Expires: 1939-07-19
Abstract
No abstract record available.
Inventors
- 👤 Carl S Lundgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:25
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/408; A47L11/4088; A47L11/29; A47L11/292; A47L11/293; A47L11/4036; A47L11/4038; A47L11/4044; A47L11/4052; A47L11/4058; A47L11/4063; A47L11/4069; A47L11/4077
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) | 1927-08-26 | 1928-02-25 | 1928-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-08-26 | 1932-02-25 | 1932-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-08-26 | 1936-02-25 | 1936-08-26 | $7700.00 | Window Closed / Lapsed |