US2948436A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic drying agent rinse injector for dishwashing machines
Assignee: Individual
•
Filing: 1958-07-21
•
Granted: 1960-08-09
•
Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 George J Federighi
- 👤 Tore H Noren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:18
CPC Classifications
A; A47; A47L; A47L15/00; A47L15/42; A47L15/44; A47L15/4445
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1295321A
Cited
US2017701A
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US2231211A
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US2244302A
Cited
US2430956A
Cited
US2698022A
Cited
US2560523A
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US2867224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-09 | 1964-02-08 | 1964-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-09 | 1968-02-08 | 1968-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-09 | 1972-02-08 | 1972-08-09 | $7700.00 | Window Closed / Lapsed |