US2680558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opening device for cartons
Assignee: Gaylord Container Corp
•
Filing: 1951-01-10
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Granted: 1954-06-08
•
Expires: 1971-01-10
Abstract
No abstract record available.
Inventors
- 👤 George W Mai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:32
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/54; B65D5/545; B65D5/546
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961375A
Cited
US2218509A
Cited
US2181837A
Cited
US2210872A
Cited
US2285542A
Cited
US2535537A
Cited
US2557914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-07 | 1957-12-07 | 1958-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-07 | 1961-12-07 | 1962-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-07 | 1965-12-07 | 1966-06-08 | $7700.00 | Window Closed / Lapsed |