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US2837261A
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US
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Self-locking folding boxes
Assignee: Baljak Corp
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Filing: 1955-04-01
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Granted: 1958-06-03
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Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 Richard C Stenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:56
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/20; B65D5/24; B65D5/247; B65D5/42; B65D5/56; B65D5/60; B65D5/603
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US472797A
Cited
US756478A
Cited
US1123289A
Cited
US1981836A
Cited
US2503798A
Cited
US2617579A
Cited
CH282239A
Cited
US2675164A
Cited
US2718999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |