US2271795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable leverage device
Assignee: AUTOMATIC LINKER Inc
•
Filing: 1940-08-01
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Granted: 1942-02-03
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Expires: 1960-08-01
Abstract
No abstract record available.
Inventors
- 👤 Demarest Daniel Douglas
- 👤 Berendt Carl
- 👤 Karius William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:49
CPC Classifications
A; A22; A22C; A22C11/00; A22C11/10; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1503; Y10T74/1508; Y10T74/1511; Y10T74/1513; Y10T74/1526; Y10T74/1532; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
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) | 1945-02-02 | 1945-08-04 | 1946-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-02 | 1949-08-04 | 1950-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-02 | 1953-08-04 | 1954-02-03 | $7700.00 | Window Closed / Lapsed |