US1842875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal insulating structure and method of manufacturing same
Assignee: Individual
•
Filing: 1927-12-14
•
Granted: 1932-01-26
•
Expires: 1947-12-14
Abstract
No abstract record available.
Inventors
- 👤 Harvey B Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:54
CPC Classifications
B; B28; B28B; B28B1/00; B28B1/50; B28B5/00; B28B5/02; B28B5/026; C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; Y; Y10; Y10S; Y10S264/00; Y10S264/63; Y10S425/00; Y10S425/108
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) | 1935-01-25 | 1935-07-27 | 1936-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-01-25 | 1939-07-27 | 1940-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-01-25 | 1943-07-27 | 1944-01-26 | $7700.00 | Window Closed / Lapsed |