Patent US4460256A successfully refreshed from Google Patents.
Patent US2956572A successfully refreshed from Google Patents.
US2956572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary spray tube for dishwashers
Assignee: Whirlpool Corp
•
Filing: 1956-07-16
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Granted: 1960-10-18
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Expires: 1976-07-16
Abstract
No abstract record available.
Inventors
- 👤 Edward C Levit
- 👤 James G Ruspino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:04
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/14; A47L15/18; A47L15/22; A47L15/23
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |