US2693097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control circuit to provide high-temperature water for predetermined wash periods
Assignee: Individual
•
Filing: 1950-11-06
•
Granted: 1954-11-02
•
Expires: 1970-11-06
Abstract
No abstract record available.
Inventors
- 👤 Frederic J Chatelain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:50
CPC Classifications
D; D06; D06F; D06F34/00; D06F34/06; D06F34/08; D06F34/14; D06F34/22; D06F34/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173564A
Cited
US2091838A
Cited
US2208662A
Cited
US2279656A
Cited
US2328073A
Cited
US2563738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-01 | 1958-05-03 | 1958-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-01 | 1962-05-03 | 1962-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-01 | 1966-05-03 | 1966-11-02 | $7700.00 | Window Closed / Lapsed |