US2574087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carton handling device
Assignee: Individual
•
Filing: 1947-10-29
•
Granted: 1951-11-06
•
Expires: 1967-10-29
Abstract
No abstract record available.
Inventors
- 👤 Eugene C Burhans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:20
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0033; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/74; Y10T83/744
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1484722A
Cited
US1953098A
Cited
US2089774A
Cited
US2162053A
Cited
US2216884A
Cited
US2536421A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-05 | 1955-05-07 | 1955-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-05 | 1959-05-07 | 1959-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-05 | 1963-05-07 | 1963-11-06 | $7700.00 | Window Closed / Lapsed |