US2212201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating apparatus
Assignee: American Radiator and Standard Sanitary Corp
•
Filing: 1936-05-23
•
Granted: 1940-08-20
•
Expires: 1956-05-23
Abstract
No abstract record available.
Inventors
- 👤 Robert E Daly
- 👤 William R Zuhike
- 👤 Frank C Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:35
CPC Classifications
F; F28; F28F; F28F21/00; F28F21/08; F28F21/088; Y; Y10; Y10S; Y10S165/00; Y10S165/092; Y10S165/126; Y10S165/129
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) | 1943-08-20 | 1944-02-19 | 1944-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-20 | 1948-02-19 | 1948-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-20 | 1952-02-19 | 1952-08-20 | $7700.00 | Window Closed / Lapsed |