US2185304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reciprocatory carriage structure
Assignee: DE WALT PRODUCTS Corp
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Filing: 1937-12-24
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Granted: 1940-01-02
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Expires: 1957-12-24
Abstract
No abstract record available.
Inventors
- 👤 Knapp Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:13
CPC Classifications
B; B27; B27B; B27B5/00; B27B5/16; B27B5/18; B27B5/20; B27B5/201; F; F16; F16C; F16C29/00; F16C29/04; F16C29/045
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) | 1943-01-01 | 1943-07-03 | 1944-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-01-01 | 1947-07-03 | 1948-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-01-01 | 1951-07-03 | 1952-01-02 | $7700.00 | Window Closed / Lapsed |