US2320866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible insulating material
Assignee: Westinghouse Electric Corp
•
Filing: 1941-07-29
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Granted: 1943-06-01
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Expires: 1961-07-29
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:26
CPC Classifications
H; H02; H02K; H02K3/00; H02K3/32; H02K3/34; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/251; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998; Y10T442/00; Y10T442/20; Y10T442/241; Y10T442/2926; Y10T442/2992; Y10T442/30; Y10T442/3472; Y10T442/3528; Y10T442/3594
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-05-31 | 1946-11-30 | 1947-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-05-31 | 1950-11-30 | 1951-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-05-31 | 1954-11-30 | 1955-06-01 | $7700.00 | Window Closed / Lapsed |