US2110470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating material
Assignee: Individual
•
Filing: 1936-02-24
•
Granted: 1938-03-08
•
Expires: 1956-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles L Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:27
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; F; F16; F16L; F16L59/00; F16L59/08; Y; Y10; Y10S; Y10S220/00; Y10S220/09; Y10S220/902; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249969; Y10T428/249987; Y10T428/249988; Y10T428/249989; Y10T428/29; Y10T428/2982; Y10T428/2991
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) | 1941-03-07 | 1941-09-06 | 1942-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-07 | 1945-09-06 | 1946-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-07 | 1949-09-06 | 1950-03-08 | $7700.00 | Window Closed / Lapsed |