US2220056A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper die cutting machine
Assignee: NIVISON WEISKOPF Co
•
Filing: 1937-06-23
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Granted: 1940-10-29
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Expires: 1957-06-23
Abstract
No abstract record available.
Inventors
- 👤 Donnerberg Harry
- 👤 Jr Edma H Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:10
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/40; B26F2210/00; B26F2210/02; Y; Y10; Y10T; Y10T83/00; Y10T83/081; Y10T83/091; Y10T83/202; Y10T83/2092; Y10T83/2209; Y10T83/2216; Y10T83/444; Y10T83/4637; Y10T83/464; Y10T83/525
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) | 1943-10-29 | 1944-04-29 | 1944-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-29 | 1948-04-29 | 1948-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-29 | 1952-04-29 | 1952-10-29 | $7700.00 | Window Closed / Lapsed |