Patent US3678010A successfully refreshed from Google Patents.
Patent US4867267A successfully refreshed from Google Patents.
US158459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in scrubbing-brushes
Assignee: —
•
Filing: —
•
Granted: 1875-01-05
•
Expires: 1892-01-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:30
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/10; A47L13/42; A47L13/46; F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B2/00; F16B2/02; F16B2/06; F16B2/10; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/608
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) | 1878-01-04 | 1878-07-06 | 1879-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-01-04 | 1882-07-06 | 1883-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-01-04 | 1886-07-06 | 1887-01-05 | $7700.00 | Window Closed / Lapsed |