US2220296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination perforating die and striking plate
Assignee: Geo Knight & Co
•
Filing: 1940-02-16
•
Granted: 1940-11-05
•
Expires: 1960-02-16
Abstract
No abstract record available.
Inventors
- 👤 Louis W Simister
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:27
CPC Classifications
C; C14; C14B; C14B5/00; C14B2700/00; C14B2700/11; C14B2700/116; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8748; Y10T83/8749; Y10T83/8821; Y10T83/8828; Y10T83/8831
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) | 1943-11-05 | 1944-05-06 | 1944-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-05 | 1948-05-06 | 1948-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-05 | 1952-05-06 | 1952-11-05 | $7700.00 | Window Closed / Lapsed |