US628538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for cleaning carpets.
Assignee: Individual
•
Filing: 1898-09-17
•
Granted: 1899-07-11
•
Expires: 1918-09-17
Abstract
No abstract record available.
Inventors
- 👤 Edward E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:27
CPC Classifications
D; D06; D06G; D06G1/00; Y; Y10; Y10S; Y10S29/00; Y10S29/061; Y10S29/081; Y10S29/086; Y10S29/096
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) | 1902-07-11 | 1903-01-10 | 1903-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-07-11 | 1907-01-10 | 1907-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-07-11 | 1911-01-10 | 1911-07-12 | $7700.00 | Window Closed / Lapsed |