US651173A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1899-11-23
•
Granted: 1900-06-05
•
Expires: 1919-11-23
Abstract
No abstract record available.
Inventors
- 👤 Robert T Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:42
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/002; B01D24/005
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) | 1903-06-05 | 1903-12-05 | 1904-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-06-05 | 1907-12-05 | 1908-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-06-05 | 1911-12-05 | 1912-06-05 | $7700.00 | Window Closed / Lapsed |