US3497964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control circuit for a dryer
Assignee: Whirlpool Corp
•
Filing: 1967-12-18
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Granted: 1970-03-03
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Elders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:15
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F34/00; D06F34/08; D06F2101/00; D06F2101/16; D06F2101/20; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F2103/38; D06F2105/00; D06F2105/58; D06F2105/60; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3248799A
Cited
US3335501A
Cited
US3394465A
Cited
US3398460A
Cited
US3398461A
Cited
US3398462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |