US2663566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide feed mechanism
Assignee: U S TOOL Co Inc
•
Filing: 1951-02-09
•
Granted: 1953-12-22
•
Expires: 1971-02-09
Abstract
No abstract record available.
Inventors
- 👤 Grimm Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:00
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1587; Y10T74/1592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US479297A
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US2019848A
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US2186030A
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US2144084A
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US2250530A
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US2380918A
Cited
US2397833A
Cited
US2406508A
Cited
US2475691A
Cited
US2495885A
Cited
US2575887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |