US3540278A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Moisture sensor
Assignee: Whirlpool Corp
•
Filing: 1968-09-04
•
Granted: 1970-11-17
•
Expires: 1988-09-04
Abstract
No abstract record available.
Inventors
- 👤 Howard Diamond
- 👤 Robert T Eggleston
- 👤 Roger H Badertscher
- 👤 David W Pletcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:14
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/12; G01N27/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2681571A
Cited
US2862090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |