US186298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in attachments for key-board musical instruments
Assignee: —
•
Filing: —
•
Granted: 1877-01-16
•
Expires: 1894-01-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:00
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/0008; Y; Y10; Y10S; Y10S362/00; Y10S362/806; Y10S362/811
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) | 1880-01-16 | 1880-07-17 | 1881-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-01-16 | 1884-07-17 | 1885-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-01-16 | 1888-07-17 | 1889-01-16 | $7700.00 | Window Closed / Lapsed |