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US2582483A
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Assignee: Individual
•
Filing: 1947-03-13
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Granted: 1952-01-15
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Expires: 1967-03-13
Abstract
No abstract record available.
Inventors
- 👤 Theodore W Hallerberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:41
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/34; H01H35/346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1444403A
Cited
US2086264A
Cited
US1456663A
Cited
US1908088A
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US2149068A
Cited
US2421149A
Cited
US2450961A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |