Patent US895531A successfully refreshed from Google Patents.
US895531A
Expired / Lapsed
US
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Siloxicon-coated carbon-containing article.
Assignee: Individual
•
Filing: 1906-07-02
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Granted: 1908-08-11
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Expires: 1926-07-02
Abstract
No abstract record available.
Inventors
- 👤 Edward Goodrich Acheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:06
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; Y; Y10; Y10T; Y10T428/00; Y10T428/30
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) | 1911-08-11 | 1912-02-10 | 1912-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-08-11 | 1916-02-10 | 1916-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-08-11 | 1920-02-10 | 1920-08-11 | $7700.00 | Window Closed / Lapsed |