US3285728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass shaping plunger with a mercury mass condenser cooling means
Assignee: OI Glass Inc
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Filing: 1965-04-21
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Granted: 1966-11-15
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Julius J Torok
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:16
CPC Classifications
H; H01; H01F; H01F41/00; H01F41/02; H01F41/04; H01F41/10; C; C03; C03B; C03B11/00; C03B11/12; C03B11/125; C03B11/127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PRESS FORMING ELEMENT HAVING A WALL WITH A GLASS FORMING SURFACE AND DEFINING A HERMETICALLY SEALED CHAMBER, A WETTING ALLOY OF MERCURY PARTIALLY FILLING SAID CHAMBER AND HAVING THE PROPERTIES OF BOILING AT THE OPERATING TEMPERATURES OF THE PRESS FORMING ELEMENT, SAID MERCURY HAVING AN UPPER LEVEL WHEN THE PRESS FORMING ELEMENT IS IN PRESSING POSITION SUBSTANTIALLY AT THE PERIPHERAL EDGE OF THE ARTICLE BEING FORMED, A LIQUID COOLED CLOSED CONDENSER POSITIONED IN SAID CHAMBER IN OVERLYING RELATION TO SAID WETTING ALLOY OF MERCURY, SAID CONDENSER HAVING AN INLET AND AN OUTLET EXTENDING FROM SAID CONDENSER TO THE EXTERIOR OF SAID ELEMENT, AND MEANS INCLUDING SENSING MEANS WITHIN SAID CHAMBER RESPONSE TO THE TEMPERATURE OF THE WETTING ALLOY OF MERCURY FOR CONTROLLING THE FLOW OF LIQUID COOLANT THROUGH SAID CONDENSER AND THEREBY CONTROLLING THE RATE OF CONDENSATION OF THE VAPOR OF SAID WETTING ALLOY OF MERCURY.
Claim 2
Dependent Claim
147 words
A PRESS FORMING ELEMENT HAVING A WALL WITH A GLASS FORMING SURFACE AND DEFINING A HERMETICALLY SEALED CHAMBER, A WETTING ALLOY OF MERCURY PARTIALLY FILLING SAID CHAMBER AND HAVING THE PROPERTIES OF BOILING AT THE OPERATING TEMPERATURES OF THE PRESS FORMING ELEMENT, SAID MERCURY HAVING AN UPPER LEVEL WHEN THE PRESS FORMING ELEMENT IS IN PRESSING POSITION SUBSTANTIALLY AT THE PERIPHERAL EDGE OF THE ARTICLE BEING FORMED, A LIQUID COOLED CLOSED CONDENSER POSITIONED IN SAID CHAMBER IN OVERLYING RELATION TO SAID WETTING ALLOY OF MERCURY, SAID CONDENSER HAVING AN INLET AND AN OUTLET EXTENDING FROM SAID CONDENSER TO THE EXTERIOR OF SAID ELEMENT, AND MEANS INCLUDING SENSING MEANS WITHIN SAID CHAMBER RESPONSE TO THE TEMPERATURE OF THE WETTING ALLOY OF MERCURY FOR CONTROLLING THE FLOW OF LIQUID COOLANT THROUGH SAID CONDENSER AND THEREBY CONTROLLING THE RATE OF CONDENSATION OF THE VAPOR OF SAID WETTING ALLOY OF MERCURY.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |