US2107901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical insulation material
Assignee: General Electric Co
•
Filing: 1936-02-20
•
Granted: 1938-02-08
•
Expires: 1956-02-20
Abstract
No abstract record available.
Inventors
- 👤 Carl F Obermaier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:27
CPC Classifications
H; H01; H01B; H01B7/00; H01B7/02; H01B7/0208; H01B7/0216; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31659; Y10T442/00; Y10T442/50; Y10T442/59
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) | 1941-02-07 | 1941-08-09 | 1942-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-02-07 | 1945-08-09 | 1946-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-02-07 | 1949-08-09 | 1950-02-08 | $7700.00 | Window Closed / Lapsed |