Patent US3409174A successfully refreshed from Google Patents.
US3409174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Urethane mixers and dispensers
Assignee: United Shoe Machinery Corp
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Filing: 1966-09-01
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Granted: 1968-11-05
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Expires: 1986-09-01
Abstract
No abstract record available.
Inventors
- 👤 Milton R Radcliffe
- 👤 Jr Robert C Simmonds
- 👤 Andrew J Gilbride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:10
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B29B7/34; B29B7/38; B29B7/40; B29B7/404; B29B7/42; B29B7/74; B29B7/7476; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/475; B29C48/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
APPARATUS FOR MIXING AND DISPENSING MULTIPLE COMPONENT MIXTURES COMPRISING A MIXING CHAMBER HAVING A PLURALITY OF INLETS AND AN OUTLET, AN INJECTION CYLINDER INLINE WITH SAID CHAMBER, A PISTON ROD EXTENDING FROM SAID CYLINDER AND HAVING A PISTON ON THE FREE END THEREOF SLIDABLY DISPOSED IN SAID CHAMBER, CAM MEANS ATTACHED TO SAID ROD, COMPONENT SUPPLY MEANS RESPECTIVELY INTERCONNECTED WITH SAID CHAMBER INLETS, VALVE MEANS FOR OPENING
References Cited (Backward Citations)
US2788953A
Cited
US3236416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |