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Patent US2884828A successfully refreshed from Google Patents.
US2884828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Keyboard steadying device for accordions and similar instruments
Assignee: Individual
•
Filing: 1953-12-22
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Granted: 1959-05-05
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Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Montenare Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:22
CPC Classifications
G; G10; G10G; G10G5/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1199685A
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US2663210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |