US2883352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature resistant molding composition containing phenol formaldehyde condensation product
Assignee: Osram GmbH
•
Filing: 1955-06-28
•
Granted: 1959-04-21
•
Expires: 1975-06-28
Abstract
No abstract record available.
Inventors
- 👤 Sorge Ottokar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:07
CPC Classifications
C; C08; C08K; C08K13/00; C08K13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A MOLDING COMPOSITION CAPABLE OF WITHSTANDING TEMPERATURES OF 250 TO 300*C., HAVING GOOD HEAT CONDUCTION, A WORKING TEMPERATURE OF ABOUT 200*C., A WORKING PRESSURE OF ABOUT 70 KG./CM.2, A WORKING TIME OF ABOUT 60 TO 80 SECONDS AND CONSISTING ESSENTIALLY BY WEIGHT OF:
Claim 2
Dependent Claim
43 words
A MOLDING COMPOSITION CAPABLE OF WITHSTANDING TEMPERATURES OF 250 TO 300*C., HAVING GOOD HEAT CONDUCTION, A WORKING TEMPERATURE OF ABOUT 200*C., A WORKING PRESSURE OF ABOUT 70 KG./CM.2, A WORKING TIME OF ABOUT 60 TO 80 SECONDS AND CONSISTING ESSENTIALLY BY WEIGHT OF:
References Cited (Backward Citations)
US1674961A
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US2022827A
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US2280517A
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US1896042A
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US2357409A
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US2712533A
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US2729553A
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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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |