Patent US3478192A successfully refreshed from Google Patents.
US3478192A
Expired / Lapsed
US
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Electrically heated platen
Assignee: Ostrander-Seymour Co
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Filing: 1968-04-25
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Granted: 1969-11-11
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Expires: 1988-04-25
Abstract
No abstract record available.
Inventors
- 👤 Robert C Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:33
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/102; F24H1/103; B; B30; B30B; B30B15/00; B30B15/06; B30B15/062; B30B15/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1550185A
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US1903898A
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US2101110A
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GB448694A
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GB487310A
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US2510207A
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US2880301A
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US3393292A
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US3303324A
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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) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |