US812530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1905-10-09
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Granted: 1906-02-13
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Expires: 1925-10-09
Abstract
No abstract record available.
Inventors
- 👤 Constantine P Schwarz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:17
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/02; B01J47/022; B01D; B01D24/00; B01D24/02; B01D24/20; B01D24/205; B01D2201/00; B01D2201/04; B01D2201/0415; B01D2201/0423
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) | 1909-02-12 | 1909-08-14 | 1910-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-02-12 | 1913-08-14 | 1914-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-02-12 | 1917-08-14 | 1918-02-13 | $7700.00 | Window Closed / Lapsed |