US3230589A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base and trim water proportioning system and method
Assignee: Harry W Dietert Co
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Filing: 1963-05-20
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Granted: 1966-01-25
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Expires: 1983-05-20
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mcilvaine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:35
CPC Classifications
B; B28; B28C; B28C7/00; B28C7/02; B28C7/022; B28C7/024; B22; B22C; B22C5/00; B22C5/04; B22C5/0409; B22C5/0472; B22C5/08; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
IN CYCLED MATERIAL CONDITIONING STRUCTURE, MEANS FOR CYCLICALLY METERING AN INITIAL QUANTITY OF ADDITIVE INTO THE MATERIAL, MEANS FOR METERING FURTHER ADDITIVE INTO THE MATERIAL IN A QUANTITY DETERMINED BY A CONDITION OF THE MATERIAL, AND MEANS OPERABLY ASSOCIATED WITH THE MEANS FOR METERING THE INITIAL ADDITIVE AND FURTHER ADDITIVE FOR VARYING THE QUANTITY OF INITIAL ADDITIVE ADDED TO
Claim 2
Dependent Claim
59 words
IN CYCLED MATERIAL CONDITIONING STRUCTURE, MEANS FOR CYCLICALLY METERING AN INITIAL QUANTITY OF ADDITIVE INTO THE MATERIAL, MEANS FOR METERING FURTHER ADDITIVE INTO THE MATERIAL IN A QUANTITY DETERMINED BY A CONDITION OF THE MATERIAL, AND MEANS OPERABLY ASSOCIATED WITH THE MEANS FOR METERING THE INITIAL ADDITIVE AND FURTHER ADDITIVE FOR VARYING THE QUANTITY OF INITIAL ADDITIVE ADDED TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |