US2633108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sterilizing water heater
Assignee: Individual
•
Filing: 1950-10-04
•
Granted: 1953-03-31
•
Expires: 1970-10-04
Abstract
No abstract record available.
Inventors
- 👤 Harrison D Sterick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:48
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/14; F24H1/145; Y; Y10; Y10S; Y10S165/00; Y10S165/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200482A
Cited
US200938A
Cited
US737026A
Cited
GB191115315A
Cited
US1646560A
Cited
US1898078A
Cited
US1980424A
Cited
US2008528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-30 | 1956-09-29 | 1957-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-30 | 1960-09-29 | 1961-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-30 | 1964-09-29 | 1965-03-31 | $7700.00 | Window Closed / Lapsed |