US2989827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging process
Assignee: Union Carbide Corp
•
Filing: 1956-08-15
•
Granted: 1961-06-27
•
Expires: 1976-08-15
Abstract
No abstract record available.
Inventors
- 👤 Fred A Groth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:12
CPC Classifications
B; B65; B65B; B65B11/00; B65B11/50; B65B11/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1831036A
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US2210509A
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US2313696A
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US2568625A
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US2615200A
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US2750719A
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US2836941A
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US2855735A
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US2861404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |