US1882116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater
Assignee: Bryan Steam Corp
•
Filing: 1929-07-16
•
Granted: 1932-10-11
•
Expires: 1949-07-16
Abstract
No abstract record available.
Inventors
- 👤 George A Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:44
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/48; F24H1/52; Y; Y10; Y10S; Y10S165/00; Y10S165/454; Y10S165/471; Y10S165/472
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) | 1935-10-11 | 1936-04-11 | 1936-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-10-11 | 1940-04-11 | 1940-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-10-11 | 1944-04-11 | 1944-10-11 | $7700.00 | Window Closed / Lapsed |