US3471938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic control circuit for a dryer with timer runout
Assignee: Whirlpool Corp
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Filing: 1967-10-04
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Granted: 1969-10-14
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Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Alvin J Elders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:57
CPC Classifications
G; G05; G05D; G05D22/00; G05D22/02; D; D06; D06F; D06F34/00; D06F34/06; H; H03; H03K; H03K17/00; H03K17/28; H03K17/292; D06F2101/00; D06F2101/14; D06F2101/16; D06F2103/00; D06F2103/02; D06F2103/08; D06F2103/10; D06F2103/38; D06F2105/00; D06F2105/28; D06F2105/52; D06F58/00; D06F58/32; D06F58/34; D06F58/36; D06F58/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-13 | 1973-04-14 | 1973-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-13 | 1977-04-14 | 1977-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-13 | 1981-04-14 | 1981-10-14 | $7700.00 | Window Closed / Lapsed |