US2856186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Open throat air-operated slide feed for power presses and special machines
Assignee: COOPER WEYMOUTH Inc
•
Filing: 1955-04-07
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Granted: 1958-10-14
•
Expires: 1975-04-07
Abstract
No abstract record available.
Inventors
- 👤 George J Weymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:41
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/10; B21D43/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2250530A
Cited
US2263721A
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US2428493A
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US2582656A
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US2696380A
Cited
US2665905A
Cited
US2611609A
Cited
US2721649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |