US2912907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the manufacture of folded cartons
Assignee: Individual
•
Filing: 1957-10-28
•
Granted: 1959-11-17
•
Expires: 1977-10-28
Abstract
No abstract record available.
Inventors
- 👤 Walther Rudolf Erhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:29
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/005; B31B50/26; B31B50/44; B31B50/442; B31B50/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1584964A
Cited
US1382445A
Cited
US1995455A
Cited
US1906604A
Cited
US1993605A
Cited
US2830712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |