US3288056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iris type valve
Assignee: Bauer Brothers Co
•
Filing: 1965-04-05
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Granted: 1966-11-29
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Marvin E Ginaven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:55
CPC Classifications
F; F16; F16K; F16K3/00; F16K3/02; F16K3/03; B; B30; B30B; B30B9/00; B30B9/02; B30B9/12; B30B9/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PRESS INCLUDING A CAGE HAVING AN INLET THERETO, MEANS DEFINING AN OUTLET THEREFROM, ROTATABLE SHAFT MEANS MOUNTED IN SAID CAGE TO HAVE ONE END EXTEND TO AND THROUGH SAID OUTLET, MEANS ON SAID SHAFT MEANS WITHIN SAID CAGE OPERABLE ON MATERIAL DELIVERED THROUGH SAID INLET TO ADVANCE SAID MATERIAL TO AND THROUGH SAID OUTLET AND, IN THE PROCESS THEREOF, EXTRACT FLUID THEREFROM, MEANS ON SAID SHAFT MEANS RESTRICTING SAID OUTLET AND AN IRIS VALVE UNIT INCLUDING A MULTIPLICITY OF SEGMENTS IN CONNECTION WITH SAID CAGE MOUNTED TO INDEPENDENTLY, SELECTIVELY AND VARIABLY BRIDGE SAID RESTRICTED OUTLET TO CAUSE PRESS MATERIAL TO FLOW THEREBY IN A SELECTIVELY SPLIT FORM, SAID SEGMENTS INCLUDING PETAL-LIKE VALVE BLADES DISPOSED
Claim 2
Dependent Claim
115 words
A PRESS INCLUDING A CAGE HAVING AN INLET THERETO, MEANS DEFINING AN OUTLET THEREFROM, ROTATABLE SHAFT MEANS MOUNTED IN SAID CAGE TO HAVE ONE END EXTEND TO AND THROUGH SAID OUTLET, MEANS ON SAID SHAFT MEANS WITHIN SAID CAGE OPERABLE ON MATERIAL DELIVERED THROUGH SAID INLET TO ADVANCE SAID MATERIAL TO AND THROUGH SAID OUTLET AND, IN THE PROCESS THEREOF, EXTRACT FLUID THEREFROM, MEANS ON SAID SHAFT MEANS RESTRICTING SAID OUTLET AND AN IRIS VALVE UNIT INCLUDING A MULTIPLICITY OF SEGMENTS IN CONNECTION WITH SAID CAGE MOUNTED TO INDEPENDENTLY, SELECTIVELY AND VARIABLY BRIDGE SAID RESTRICTED OUTLET TO CAUSE PRESS MATERIAL TO FLOW THEREBY IN A SELECTIVELY SPLIT FORM, SAID SEGMENTS INCLUDING PETAL-LIKE VALVE BLADES DISPOSED
References Cited (Backward Citations)
US890112A
Cited
US1752054A
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US1752222A
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US1838996A
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US1871833A
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US1946001A
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US2425237A
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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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |