US834430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percolator.
Assignee: R G FERGUSON
•
Filing: 1905-07-22
•
Granted: 1906-10-30
•
Expires: 1925-07-22
Abstract
No abstract record available.
Inventors
- 👤 Charles Wightman
- 👤 Joseph W Bishop
- 👤 William H Andereck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:05
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/24; A47J31/30; A47J31/303
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1909-10-29 | 1910-04-30 | 1910-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-10-29 | 1914-04-30 | 1914-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-10-29 | 1918-04-30 | 1918-10-30 | $7700.00 | Window Closed / Lapsed |