Patent US2023204A successfully refreshed from Google Patents.
US2023204A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat insulation
Assignee: Carl Munters AB
•
Filing: 1932-08-20
•
Granted: 1935-12-03
•
Expires: 1952-08-20
Abstract
No abstract record available.
Inventors
- 👤 Munters Carl Georg
- 👤 Tandberg John Gudbrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:47
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J2325/00; C08J2325/02; C08J2325/04; C08J2325/06; Y; Y10; Y10S; Y10S220/00; Y10S220/14; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991; Y10T428/2998
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1938-12-02 | 1939-06-03 | 1939-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-02 | 1943-06-03 | 1943-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-02 | 1947-06-03 | 1947-12-03 | $7700.00 | Window Closed / Lapsed |