US2930294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for folding sliding boxes for package receptacles
Assignee: Koerber & Co KG
•
Filing: 1956-05-23
•
Granted: 1960-03-29
•
Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Ritscher Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:45
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1910171A
Cited
US2110368A
Cited
US2292403A
Cited
US2217504A
Cited
US2612822A
Cited
US2626545A
Cited
US2846929A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |