US2809776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner lock cartons
Assignee: Somerville Ltd
•
Filing: 1956-03-29
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Granted: 1957-10-15
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Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 William F Barrington
- 👤 Skillen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/30; B65D5/301; B65D5/302; B65D5/42; B65D5/64; B65D5/66; B65D5/6626; B65D5/665; B65D5/6661
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |