Patent US2416892A successfully refreshed from Google Patents.
US2416892A
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US
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Compound dielectric material and process for manufacturing the same
Assignee: Pacific Mills
•
Filing: 1942-01-15
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Granted: 1947-03-04
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Expires: 1962-01-15
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Barnard
- 👤 Jayson C Balsbaugh
- 👤 Melville J Blackwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:38
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/48; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31844; Y10T428/31971; Y10T428/31975; Y10T442/00; Y10T442/20; Y10T442/2475
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US272569A
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US1717171A
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US904808A
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GB191419882A
Cited
US2092489A
Cited
US1913214A
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US2028189A
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US2102129A
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US2234252A
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US2338480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |