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US188274A
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US
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Assignee: —
•
Filing: —
•
Granted: 1877-03-13
•
Expires: 1894-03-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:36
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/10; B01D24/16; B01D24/165; B01D24/46; B01D24/4631
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) | 1880-03-12 | 1880-09-11 | 1881-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-03-12 | 1884-09-11 | 1885-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-03-12 | 1888-09-11 | 1889-03-13 | $7700.00 | Window Closed / Lapsed |