Patent US2924684A successfully refreshed from Google Patents.
US2924684A
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US
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Assignee: Individual
•
Filing: 1956-03-08
•
Granted: 1960-02-09
•
Expires: 1976-03-08
Abstract
No abstract record available.
Inventors
- 👤 Claesson Per Harry Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2368201A
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US2339610A
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US2393901A
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US2562091A
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US2577468A
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US2616993A
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US2590996A
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US2612367A
Cited
US2587458A
Cited
GB730125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |