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US3426002A
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US
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Organo - tin polymers and copolymers prepared by interfacial condensation
Assignee: Yissum Research Development Co of Hebrew University of Jerusalem
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Filing: 1965-05-12
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Granted: 1969-02-04
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Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 Max Frankel
- 👤 David Gertner
- 👤 Daniel Wagner
- 👤 Albert Zilkha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:26
CPC Classifications
C; C08; C08G; C08G79/00; C08G79/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |