Patent US4250872A successfully refreshed from Google Patents.
Patent US2568979A successfully refreshed from Google Patents.
US2568979A
Expired / Lapsed
US
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Reinforced insulation assembly
Assignee: PRICE ELECTRIC Corp
•
Filing: 1946-06-10
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Granted: 1951-09-25
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Expires: 1966-06-10
Abstract
No abstract record available.
Inventors
- 👤 Merle E Barnhart
- 👤 Lee F Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:29
CPC Classifications
H; H01; H01F; H01F5/00; H01F5/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1208577A
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US1282380A
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US1659062A
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US2226589A
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US2180420A
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US2247252A
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US2300072A
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US2264628A
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US2375330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |