US728664A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floor-scrubbing device.
Assignee: Individual
•
Filing: 1902-12-30
•
Granted: 1903-05-19
•
Expires: 1922-12-30
Abstract
No abstract record available.
Inventors
- 👤 Milton C Bliss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 01:23
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4063; A47L11/4069; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/188; Y10T74/18808; Y10T74/18816
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) | 1906-05-18 | 1906-11-17 | 1907-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-18 | 1910-11-17 | 1911-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-18 | 1914-11-17 | 1915-05-19 | $7700.00 | Window Closed / Lapsed |