US1935832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die for forming paper cups
Assignee: Individual
•
Filing: 1931-07-18
•
Granted: 1933-11-21
•
Expires: 1951-07-18
Abstract
No abstract record available.
Inventors
- 👤 Lackner Frederick J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:42
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/0003; B31F1/0038; B31B; B31B2105/00; B31B2105/002; B31B2105/0022; B31B2120/00; B31B2120/002; B31B50/00; B31B50/25; B31B50/26; B31B50/28; B31B50/74; B31B50/81
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-11-20 | 1937-05-22 | 1937-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-11-20 | 1941-05-22 | 1941-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-11-20 | 1945-05-22 | 1945-11-21 | $7700.00 | Window Closed / Lapsed |