US130730A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in churns
Assignee: —
•
Filing: —
•
Granted: 1872-08-20
•
Expires: 1889-08-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:46
CPC Classifications
A; A47; A47J; A47J43/00; A47J43/04; A47J43/044
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) | 1875-08-20 | 1876-02-19 | 1876-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1879-08-20 | 1880-02-19 | 1880-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1883-08-20 | 1884-02-19 | 1884-08-20 | $7700.00 | Window Closed / Lapsed |