Patent US1364217A successfully refreshed from Google Patents.
US1364217A
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US
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Stringed musical instrument
Assignee: JOHN D CALLAHAN
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Filing: 1919-05-03
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Granted: 1921-01-04
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Expires: 1939-05-03
Abstract
No abstract record available.
Inventors
- 👤 Robert F Surratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:28
CPC Classifications
G; G10; G10D; G10D3/00; G10D3/02; G10D1/00; G10D1/04; G10D1/05; G10D3/06; G10D3/12; G10D3/13; G10D3/22
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) | 1924-01-04 | 1924-07-05 | 1925-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-04 | 1928-07-05 | 1929-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-04 | 1932-07-05 | 1933-01-04 | $7700.00 | Window Closed / Lapsed |