Patent US2863649A successfully refreshed from Google Patents.
US2863649A
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Equipment for the accurate metering, proportional blending, thorough mixing and dispensing of multi-component resin mixtures
Assignee: Wyeth Holdings LLC
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Filing: 1955-06-30
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Granted: 1958-12-09
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Expires: 1975-06-30
Abstract
No abstract record available.
Inventors
- 👤 Grubb Robert James
- 👤 Jr Lemuel Ellsworth Sentz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:42
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/32; B29B7/325; B29B7/58; B29B7/60; G; G05; G05D; G05D11/00; G05D11/02; G05D11/13; G05D11/131; G05D11/132; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH3162A
Cited
US1507139A
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US1959712A
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US2044332A
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US2200997A
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US2514841A
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US2662243A
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US2788337A
Cited
US2768405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |