Patent US3216808A successfully refreshed from Google Patents.
US3216808A
Expired / Lapsed
US
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Neutron-absorptive glass
Assignee: OI Glass Inc
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Filing: 1962-07-12
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Granted: 1965-11-09
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Expires: 1982-07-12
Abstract
No abstract record available.
Inventors
- 👤 Frederic L Bishop
- 👤 Alfred D Pinotti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:18
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/083; C03C3/085; C03C3/087; C03C3/089; C03C3/091
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
14 words
A NEUTRON-ABSORPTIVE GLASS CONSISTING ESSENTIALLY OF (A) A CHEMICALLY DURABLE GLASS CONTAINING BY WEIGHT:
Claim 2
Dependent Claim
14 words
A NEUTRON-ABSORPTIVE GLASS CONSISTING ESSENTIALLY OF (A) A CHEMICALLY DURABLE GLASS CONTAINING BY WEIGHT:
Claim 3
Independent Claim
80 words
THE METHOD OF MAKING A NEUTRON-ABSORBING GLASS ARTICLE COMPRISING THE STEPS OF MELTING A CHEMICALLY DURABLE GLASS COMPOSITION CONTAINING 2 TO 25 PERCENT BY WEIGHT OF A NEUTRON-ABSORBING OXIDE CONSTITUENT SELECTED FROM THE GROUP CONSISTING OF GADOLINIUM OXIDE, SAMARIUM OXIDE AND MIXTURES THEREOF, COOLING SAID GLASS SO AS TO SOLIDIFY THE SAME, GRINDING SAID SOLIDIFIED GLASS COMPOSITION INTO PARTICULATE FORM, PRESSING SAID GLASS IN PARTICULATE FORM INTO A PRESCRIBED SHAPE AND SINTERING SAID PRESCRIBED PRESSED SHAPE INTO SEMI-FUSED RIGID CONDITION.
Claim 4
Independent Claim
80 words
THE METHOD OF MAKING A NEUTRON-ABSORBING GLASS ARTICLE COMPRISING THE STEPS OF MELTING A CHEMICALLY DURABLE GLASS COMPOSITION CONTAINING 2 TO 25 PERCENT BY WEIGHT OF A NEUTRON-ABSORBING OXIDE CONSTITUENT SELECTED FROM THE GROUP CONSISTING OF GADOLINIUM OXIDE, SAMARIUM OXIDE AND MIXTURES THEREOF, COOLING SAID GLASS SO AS TO SOLIDIFY THE SAME, GRINDING SAID SOLIDIFIED GLASS COMPOSITION INTO PARTICULATE FORM, PRESSING SAID GLASS IN PARTICULATE FORM INTO A PRESCRIBED SHAPE AND SINTERING SAID PRESCRIBED PRESSED SHAPE INTO SEMI-FUSED RIGID CONDITION.
References Cited (Backward Citations)
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |