US909792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Facing artificial stone.
Assignee: APOLLO ARTIFICIAL STONE Co
•
Filing: 1908-08-27
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Granted: 1909-01-12
•
Expires: 1928-08-27
Abstract
No abstract record available.
Inventors
- 👤 John C Henderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:31
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/22; B05; B05D; B05D5/00; B05D5/06; Y; Y10; Y10S; Y10S264/00; Y10S264/57
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) | 1912-01-12 | 1912-07-13 | 1913-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-01-12 | 1916-07-13 | 1917-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-01-12 | 1920-07-13 | 1921-01-12 | $7700.00 | Window Closed / Lapsed |