Patent US3457929A successfully refreshed from Google Patents.
US3457929A
Expired / Lapsed
US
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Dishwasher apparatus
Assignee: Whirlpool Corp
•
Filing: 1966-12-02
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Granted: 1969-07-29
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Richard E Madden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:11
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/4214; A47L15/4219; A47L15/4221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2066232A
Cited
CH188274A
Cited
US2894631A
Cited
US2963029A
Cited
US3034518A
Cited
US3108606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |