US150960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in machinery for polishing buttons
Assignee: —
•
Filing: —
•
Granted: 1874-05-19
•
Expires: 1891-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:57
CPC Classifications
B; B23; B23Q; B23Q39/00; B23Q39/04; B23Q39/042; Y; Y10; Y10T; Y10T408/00; Y10T408/52; Y10T408/54; Y10T408/545
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) | 1877-05-18 | 1877-11-17 | 1878-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1881-05-18 | 1881-11-17 | 1882-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1885-05-18 | 1885-11-17 | 1886-05-19 | $7700.00 | Window Closed / Lapsed |