US2836293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat insulation structure
Assignee: Individual
•
Filing: 1956-10-12
•
Granted: 1958-05-27
•
Expires: 1976-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jeremiah D Giles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:41
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/04; E04B9/0414; E04B1/00; E04B1/62; E04B1/74; E04B1/76; E04B1/7654; E04B9/001; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/2419; Y10T428/24215; Y10T428/24231; Y10T428/24628; Y10T428/24669; Y10T428/24686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1726040A
Cited
US2312301A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |