US2419608A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical oscillator
Assignee: Submarine Signal Co
•
Filing: 1935-05-29
•
Granted: 1947-04-29
•
Expires: 1955-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Edwin E Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:24
CPC Classifications
B; B06; B06B; B06B1/00; B06B1/02; B06B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1213610A
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US1604693A
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GB145691A
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US1557048A
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US1604532A
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US1677945A
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US2007746A
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US1763846A
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US1750124A
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GB298382A
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US1999785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |