US2263635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slotting machine
Assignee: WIRTHSEN ASSOCIATES Inc
•
Filing: 1939-12-29
•
Granted: 1941-11-25
•
Expires: 1959-12-29
Abstract
No abstract record available.
Inventors
- 👤 Louis G Larsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:33
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/545; B23Q1/5456; B23D; B23D3/00; B23D3/02; Y; Y10; Y10T; Y10T409/00; Y10T409/50; Y10T409/502624; Y10T409/504756; Y10T409/506232; Y10T409/507544
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |