US3421704A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dishwasher apparatus
Assignee: Whirlpool Corp
•
Filing: 1966-04-04
•
Granted: 1969-01-14
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Wilbur G Peyer
- 👤 James G Ruspino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:00
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4225; Y; Y10; Y10S; Y10S415/00; Y10S415/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191030009A
Cited
DE610726C
Cited
US2050104A
Cited
US3079094A
Cited
US3096718A
Cited
US3323529A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |