US2209850A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fibrous glass textile material for electrical insulation
Assignee: Owens Corning
•
Filing: 1938-01-21
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Granted: 1940-07-30
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Expires: 1958-01-21
Abstract
No abstract record available.
Inventors
- 👤 Errol B Shand
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/48; H01B3/50; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; H01B3/02; H01B3/08; H01B3/084; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T442/00; Y10T442/30; Y10T442/3049
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) | 1943-07-30 | 1944-01-29 | 1944-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-07-30 | 1948-01-29 | 1948-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-07-30 | 1952-01-29 | 1952-07-30 | $7700.00 | Window Closed / Lapsed |