Patent US2769376A successfully refreshed from Google Patents.
US2769376A
Expired / Lapsed
US
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Mechanism for opening collapsed tubular cartons
Assignee: Container Corp
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Filing: 1955-05-31
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Granted: 1956-11-06
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Expires: 1975-05-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis A Chidsey
- 👤 Joseph H Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:22
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/74; B31B50/76; B31B50/78; B31B2100/00; B31B2120/00; B31B2120/30; B31B50/02; B31B50/04; B31B50/06; B31B50/062; B31B50/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US805736A
Cited
US1669357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-06 | 1960-05-07 | 1960-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-06 | 1964-05-07 | 1964-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-06 | 1968-05-07 | 1968-11-06 | $7700.00 | Window Closed / Lapsed |