Patent US2432250A successfully refreshed from Google Patents.
US2432250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulating body
Assignee: Individual
•
Filing: 1939-10-26
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Granted: 1947-12-09
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Expires: 1959-10-26
Abstract
No abstract record available.
Inventors
- 👤 Rath Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:19
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2226299A
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US2065921A
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US2098812A
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US2069903A
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US2150694A
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USRE21175E
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US2235489A
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US2220774A
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US2220775A
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US2259138A
Cited
US2398088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |