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US3389121A
Expired / Lapsed
US
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Resins and processes of making the same
Assignee: OI Glass Inc
•
Filing: 1967-10-18
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Granted: 1968-06-18
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Expires: 1987-10-18
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Burzynski
- 👤 Robert E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:40
CPC Classifications
C; C08; C08G; C08G77/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3000858A
Cited
US3208972A
Cited
US3257330A
Cited
US3245918A
Cited
US3354095A
Cited
GB1082116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |