US2620132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regulating device for gas radiators
Assignee: Individual
•
Filing: 1947-06-21
•
Granted: 1952-12-02
•
Expires: 1967-06-21
Abstract
No abstract record available.
Inventors
- 👤 Carbonaro Marius Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:42
CPC Classifications
F; F24; F24C; F24C3/00; F24C3/12; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7723; Y10T137/7781; Y10T137/7793; Y10T137/7822; Y10T137/7823
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1612114A
Cited
CH178045A
Cited
US2183569A
Cited
US2201399A
Cited
US2257024A
Cited
US2361944A
Cited
US2457378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-02 | 1956-06-02 | 1956-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-02 | 1960-06-02 | 1960-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-02 | 1964-06-02 | 1964-12-02 | $7700.00 | Window Closed / Lapsed |