US3672883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystalline polymers for frost
Assignee: Xerox Corp
•
Filing: 1969-07-02
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Granted: 1972-06-27
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Expires: 1989-07-02
Abstract
Abstract A NEW CLASS OF MATERIALS USEFUL IN SURFACE DEFORMATION IMAGING IS PROVIDED COMPRISING THE UTILIZATION OS SHARP MELTING CRYSTALLINE POLYMERS.
Inventors
- 👤 Roger N Ciccarelli
- 👤 Burton B Jacknow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:44
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/022
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |