US823445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of imitation silk.
Assignee: Individual
•
Filing: 1906-03-12
•
Granted: 1906-06-12
•
Expires: 1926-03-12
Abstract
No abstract record available.
Inventors
- 👤 Ernst Schramm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:06
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/252; Y10T442/00; Y10T442/20; Y10T442/2041; Y10T442/2098; Y10T442/2107; Y10T442/2115
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) | 1909-06-11 | 1909-12-11 | 1910-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-06-11 | 1913-12-11 | 1914-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-06-11 | 1917-12-11 | 1918-06-12 | $7700.00 | Window Closed / Lapsed |