Patent US703752A successfully refreshed from Google Patents.
US703752A
Expired / Lapsed
US
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Attachment for mouth-harmonicas.
Assignee: Individual
•
Filing: 1902-01-18
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Granted: 1902-07-01
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Expires: 1922-01-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur S Alexander
- 👤 Alfred Vischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:39
CPC Classifications
G; G10; G10D; G10D7/00; G10D7/12; G10D7/14
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) | 1905-06-30 | 1905-12-30 | 1906-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1909-06-30 | 1909-12-30 | 1910-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1913-06-30 | 1913-12-30 | 1914-07-01 | $7700.00 | Window Closed / Lapsed |