US3478757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic detergent,rinse additive and sterilizer dispenser for dishwashers
Assignee: American Dish Service Corp
•
Filing: 1968-02-12
•
Granted: 1969-11-18
•
Expires: 1988-02-12
Abstract
No abstract record available.
Inventors
- 👤 John B Tuthill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:03
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/0018; A47L15/0055; A47L15/42; A47L15/4236; A47L2401/00; A47L2401/20; A47L2501/00; A47L2501/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2266205A
Cited
US2368563A
Cited
US2930721A
Cited
US2843137A
Cited
US3139890A
Cited
US3319637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |