US3236450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water heater control system
Assignee: Honeywell Inc
•
Filing: 1963-06-24
•
Granted: 1966-02-22
•
Expires: 1983-06-24
Abstract
No abstract record available.
Inventors
- 👤 Stephen C Bixby
- 👤 M R Jayaram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:14
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0208; Y; Y10; Y10T; Y10T137/00; Y10T137/1407; Y10T137/1516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2717381A
Cited
US1508511A
Cited
US2457378A
Cited
US2913182A
Cited
US2789184A
Cited
US2953198A
Cited
US2987919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |