US656869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Artificial leather.
Assignee: Individual
•
Filing: 1900-03-05
•
Granted: 1900-08-28
•
Expires: 1920-03-05
Abstract
No abstract record available.
Inventors
- 👤 William Walden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:25
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0097; C; C08; C08J; C08J5/00; C08J5/18; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/24; Y10T428/24355; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2115
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) | 1903-08-28 | 1904-02-27 | 1904-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-08-28 | 1908-02-27 | 1908-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-08-28 | 1912-02-27 | 1912-08-28 | $7700.00 | Window Closed / Lapsed |