Patent US2422365A successfully refreshed from Google Patents.
US2422365A
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US
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Compensated power element
Assignee: Penn Electric Switch Co
•
Filing: 1943-02-19
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Granted: 1947-06-17
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Expires: 1963-02-19
Abstract
No abstract record available.
Inventors
- 👤 Jesse C Osborn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:23
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/125; G05D23/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1439750A
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US1527102A
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US1157889A
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US1639742A
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US1499278A
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US1860189A
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US1925530A
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US2101735A
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US1921312A
Cited
FR833361A
Cited
US2293947A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-16 | 1950-12-16 | 1951-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-16 | 1954-12-16 | 1955-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-16 | 1958-12-16 | 1959-06-17 | $7700.00 | Window Closed / Lapsed |