US2429592A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable resistance and indicator therefor
Assignee: Individual
•
Filing: 1944-05-25
•
Granted: 1947-10-28
•
Expires: 1964-05-25
Abstract
No abstract record available.
Inventors
- 👤 Rufus J Beagles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:14
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US170272A
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US480893A
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GB232476A
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US1785779A
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US1921441A
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US2085404A
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US2361010A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |