Patent US203932A successfully refreshed from Google Patents.
US203932A
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Improvement in tremolo attachments for organs
Assignee: —
•
Filing: —
•
Granted: 1878-05-21
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Expires: 1895-05-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:47
CPC Classifications
G; G10; G10B; G10B3/00; G10B3/18; F; F03; F03D; F03D9/00; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; G10H1/047; Y; Y02; Y02E; Y02E10/00; Y02E10/70; Y02E10/72
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) | 1881-05-20 | 1881-11-19 | 1882-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1885-05-20 | 1885-11-19 | 1886-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1889-05-20 | 1889-11-19 | 1890-05-21 | $7700.00 | Window Closed / Lapsed |