US1003813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of increasing the binding power of basic silicates of lime.
Assignee: Individual
•
Filing: 1906-05-31
•
Granted: 1911-09-19
•
Expires: 1926-05-31
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm Schumacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:47
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; Y; Y10; Y10S; Y10S264/00; Y10S264/43
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) | 1914-09-18 | 1915-03-20 | 1915-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-09-18 | 1919-03-20 | 1919-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-09-18 | 1923-03-20 | 1923-09-19 | $7700.00 | Window Closed / Lapsed |