US3084705A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for rupturing glass seals
Assignee: Canrad Precision Industries Inc
•
Filing: 1961-03-13
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Granted: 1963-04-09
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Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Feuer Irving
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:13
CPC Classifications
F; F16; F16K; F16K13/00; F16K13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1639; Y10T137/1692; Y10T137/1797; Y10T137/1812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A GLASS CONDUIT HAVING A GLASS SEAL INTERPOSED THEREIN, AND MEANS FOR RUPTURING SAID GLASS SEAL COMPRISING A WEIGHTED RUPTURING ELEMENT ELEVATED FROM SAID GLASS SEAL, MEANS FOR SUPPORTING SAID ELEMENT IN SAID ELEVATED POSITION COMPRISING A FUSIBLE SUPPORT SECURED TO THE WALLS OF SAID CONDUIT, SAID ELEMENT BEING RELEASABLE FROM SAID SUPPORT BY AN EXTERNALLY DISPOSED INDUCTION HEATER OPERATIVE TO MELT SAID SUPPORT AND THEREBY FREE SAID ELEMENT FOR GRAVITATIONAL MOVEMENT DOWN SAID CONDUIT INTO IMPACT WITH SAID SEAL FOR RUPTURING THE SAME, SAID CONDUIT UPSTANDING FROM A SEALED CONTAINER OF ULTRA-PURE GAS, SAID SUPPORT BEING FORMED OF GLASS AND HAVING PLURAL LEGS FOR SUPPORTING SAID RUPTURING ELEMENT IN SUSPENDED RELATION IN SAID CONDUIT, THE LATTER HAVING A FORMATION ENGAGEABLE WITH SAID SUPPORT FOR SUPPORTING THE LATTER IN SAID CONDUIT.
Claim 2
Dependent Claim
131 words
A GLASS CONDUIT HAVING A GLASS SEAL INTERPOSED THEREIN, AND MEANS FOR RUPTURING SAID GLASS SEAL COMPRISING A WEIGHTED RUPTURING ELEMENT ELEVATED FROM SAID GLASS SEAL, MEANS FOR SUPPORTING SAID ELEMENT IN SAID ELEVATED POSITION COMPRISING A FUSIBLE SUPPORT SECURED TO THE WALLS OF SAID CONDUIT, SAID ELEMENT BEING RELEASABLE FROM SAID SUPPORT BY AN EXTERNALLY DISPOSED INDUCTION HEATER OPERATIVE TO MELT SAID SUPPORT AND THEREBY FREE SAID ELEMENT FOR GRAVITATIONAL MOVEMENT DOWN SAID CONDUIT INTO IMPACT WITH SAID SEAL FOR RUPTURING THE SAME, SAID CONDUIT UPSTANDING FROM A SEALED CONTAINER OF ULTRA-PURE GAS, SAID SUPPORT BEING FORMED OF GLASS AND HAVING PLURAL LEGS FOR SUPPORTING SAID RUPTURING ELEMENT IN SUSPENDED RELATION IN SAID CONDUIT, THE LATTER HAVING A FORMATION ENGAGEABLE WITH SAID SUPPORT FOR SUPPORTING THE LATTER IN SAID CONDUIT.
References Cited (Backward Citations)
US824935A
Cited
US1510813A
Cited
US2128292A
Cited
US2419112A
Cited
US2619116A
Cited
US2668412A
Cited
GB744858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |