US721152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricating device for brick-machines.
Assignee: CHAMBERS BROTHERS CO
•
Filing: 1897-05-01
•
Granted: 1903-02-24
•
Expires: 1917-05-01
Abstract
No abstract record available.
Inventors
- 👤 Cyrus Chambers Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:06
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/94
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) | 1906-02-23 | 1906-08-25 | 1907-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-02-23 | 1910-08-25 | 1911-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-02-23 | 1914-08-25 | 1915-02-24 | $7700.00 | Window Closed / Lapsed |