US3198756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame resistant, self extinguishing dielectric lens material comprising a halogenated epoxy resin composition
Assignee: De Bell and Richardson Inc
•
Filing: 1959-11-16
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Granted: 1965-08-03
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Sven U K A Richter
- 👤 Herbert S Schnitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:29
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; C; C08; C08J; C08J9/00; C08J9/0066; C08L; C08L63/00; C08J2363/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE FLAME RESISTANT, SELF-EXTINGUISHING, DIELECTRIC LENS MATERIAL WHICH COMPRISES THE CURED, RIGID FOAMED POLYMERIZATION PRODUCT OF A RESIN COMPOUND HAVING AT LEAST TWO GROUPS
Claim 2
Dependent Claim
24 words
THE FLAME RESISTANT, SELF-EXTINGUISHING, DIELECTRIC LENS MATERIAL WHICH COMPRISES THE CURED, RIGID FOAMED POLYMERIZATION PRODUCT OF A RESIN COMPOUND HAVING AT LEAST TWO GROUPS
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |