US2533914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blank feeding and locating mechanism for punch presses
Assignee: AT&T Inc
•
Filing: 1947-02-24
•
Granted: 1950-12-12
•
Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Edward A Brandt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:25
CPC Classifications
B; B21; B21D; B21D43/00; B21D43/02; B21D43/04; B21D43/14; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5152; Y10T29/5165; Y10T83/00; Y10T83/202; Y10T83/2092; Y10T83/2096; Y10T83/2135; Y10T83/2144; Y10T83/215; Y10T83/2155; Y10T83/2159; Y10T83/444; Y10T83/4501; Y10T83/4503; Y10T83/4564
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US277849A
Cited
US1028652A
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US1439620A
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US1828324A
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US1987209A
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US2319232A
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US2387211A
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US2390600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |