US215606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machinery for manufacturing bricks
Assignee: —
•
Filing: —
•
Granted: 1879-05-20
•
Expires: 1896-05-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:56
CPC Classifications
B; B29; B29C; B29C59/00; B29C59/02; B29C59/022; G; G03; G03F; G03F7/00; G03F7/0002; Y; Y10; Y10S; Y10S264/00; Y10S264/78
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) | 1882-05-19 | 1882-11-18 | 1883-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1886-05-19 | 1886-11-18 | 1887-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1890-05-19 | 1890-11-18 | 1891-05-20 | $7700.00 | Window Closed / Lapsed |