US2675117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article feeding apparatus for automatic machines
Assignee: Denison Engineering Co
•
Filing: 1950-02-11
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Granted: 1954-04-13
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Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Edwin C Pinsenschaum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:29
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44; B21D51/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US450276A
Cited
US1308208A
Cited
US1032157A
Cited
DE527921C
Cited
US2069897A
Cited
US2200844A
Cited
US2175255A
Cited
US2348464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |