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US2839295A
Expired / Lapsed
US
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Stop for double-draft piling of sheets
Assignee: United States Steel Corp
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Filing: 1955-09-29
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Granted: 1958-06-17
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Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry M Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:25
CPC Classifications
B; B65; B65H; B65H33/00; B65H33/06; B65H33/08; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4219; B65H2301/42194
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |