Patent US3529961A successfully refreshed from Google Patents.
US2788953A
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Automatic proportional metering, mixing, and dispensing system
Assignee: CAYTON Inc
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Filing: 1954-02-11
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Granted: 1957-04-16
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Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Schneider Marvin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:40
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/001; B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/882; B01F35/8823; B29; B29B; B29B7/00; B29B7/74; B29B7/7476; G05D11/02; G05D11/13; G05D11/131; G05D11/132; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564
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) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |