US2961116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermally insulated wall structure
Assignee: Applied Radiation Corp
•
Filing: 1956-01-03
•
Granted: 1960-11-22
•
Expires: 1976-01-03
Abstract
No abstract record available.
Inventors
- 👤 Morris R Jeppson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:13
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/001; A; A47; A47J; A47J41/00; A47J41/02; A47J41/022; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |