US3420431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tray structure
Assignee: Monsanto Co
•
Filing: 1967-11-20
•
Granted: 1969-01-07
•
Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Donald W Donovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:01
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; B65D1/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2703185A
Cited
US2918379A
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US2967654A
Cited
US3127698A
Cited
US3268144A
Cited
US3184047A
Cited
US3311257A
Cited
US3233812A
Cited
US3307739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |