Patent US2970525A successfully refreshed from Google Patents.
US2970525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealed carton and method of forming
Assignee: Lord Baltimore Press Inc
•
Filing: 1956-07-18
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Granted: 1961-02-07
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Expires: 1976-07-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence F Klein
- 👤 Ii G Stuart Sexton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:05
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/0227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB329706A
Cited
US2043897A
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US2107096A
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US2437114A
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US2382573A
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US2555315A
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US2526945A
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US2596224A
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US2727676A
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US2760713A
Cited
US2719093A
Cited
US2795364A
Cited
US2761611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |