Patent US2601510A successfully refreshed from Google Patents.
US2601510A
Expired / Lapsed
US
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System for eliminating static interference
Assignee: Individual
•
Filing: 1948-02-06
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Granted: 1952-06-24
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Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Frye Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:28
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/06; H04B1/10; H04B1/1009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309400A
Cited
USRE21157E
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US1723391A
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US1855184A
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US1872487A
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US2047153A
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US2132875A
Cited
US2104800A
Cited
FR802392A
Cited
US2316549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |