US2059801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulating structure and method of manufacturing same
Assignee: Individual
•
Filing: 1934-11-24
•
Granted: 1936-11-03
•
Expires: 1954-11-24
Abstract
No abstract record available.
Inventors
- 👤 Harvey B Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; E; E04; E04B; E04B1/00; E04B1/62; E04B1/92; E04B1/94; Y; Y10; Y10S; Y10S220/00; Y10S220/902; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249967; Y10T428/249969
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) | 1939-11-03 | 1940-05-04 | 1940-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-03 | 1944-05-04 | 1944-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-03 | 1948-05-04 | 1948-11-03 | $7700.00 | Window Closed / Lapsed |