US1909765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound control method and means for practicing same
Assignee: Jenkins & Adair Inc
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Filing: 1932-11-09
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Granted: 1933-05-16
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Expires: 1952-11-09
Abstract
No abstract record available.
Inventors
- 👤 Jenkins John Elliott
- 👤 Samuel E Adair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:18
CPC Classifications
G; G11; G11B; G11B17/00; G03; G03B; G03B31/00; G03B31/06; G11B27/00; G11B27/10; G11B27/11; G11B27/13; G11B3/00; G11B3/68; G11B3/72; G11B3/76; G11B7/00
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) | 1936-05-15 | 1936-11-14 | 1937-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-15 | 1940-11-14 | 1941-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-15 | 1944-11-14 | 1945-05-16 | $7700.00 | Window Closed / Lapsed |