US2551775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner joint structure for knockdown boxes
Assignee: Individual
•
Filing: 1946-11-22
•
Granted: 1951-05-08
•
Expires: 1966-11-22
Abstract
No abstract record available.
Inventors
- 👤 Canon Paul L Von
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:22
CPC Classifications
F; F16; F16B; F16B12/00; F16B12/44; F16B12/46; B; B65; B65D; B65D9/00; B65D9/32; E; E04; E04C; E04C3/00; E04C3/02; E04C3/12; E04C3/127; F16B12/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US372694A
Cited
US1070572A
Cited
US1159229A
Cited
CH83681A
Cited
US1533099A
Cited
US1922994A
Cited
US2002228A
Cited
US2453918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |