US1890625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiator
Assignee: Individual
•
Filing: 1930-07-07
•
Granted: 1932-12-13
•
Expires: 1950-07-07
Abstract
No abstract record available.
Inventors
- 👤 Harold N Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:21
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F28F; F28F3/00; F28F3/02; F28F3/025; Y; Y10; Y10S; Y10S165/00; Y10S165/327; Y10S165/328; Y10S165/329
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) | 1935-12-13 | 1936-06-13 | 1936-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-12-13 | 1940-06-13 | 1940-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-12-13 | 1944-06-13 | 1944-12-13 | $7700.00 | Window Closed / Lapsed |