US2524344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for forming the corners of paper box cover blanks
Assignee: Individual
•
Filing: 1947-11-18
•
Granted: 1950-10-03
•
Expires: 1967-11-18
Abstract
No abstract record available.
Inventors
- 👤 Carl W English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:06
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/14; B31B50/20; B31B50/22; Y; Y10; Y10T; Y10T83/00; Y10T83/748; Y10T83/7593; Y10T83/76; Y10T83/7647; Y10T83/869; Y10T83/8821; Y10T83/929; Y10T83/9411
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) | 1953-10-02 | 1954-04-03 | 1954-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-02 | 1958-04-03 | 1958-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-02 | 1962-04-03 | 1962-10-03 | $7700.00 | Window Closed / Lapsed |