Patent US2614688A successfully refreshed from Google Patents.
US2614688A
Expired / Lapsed
US
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Sheet package and skid therefor
Assignee: United States Steel Corp
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Filing: 1949-12-14
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Granted: 1952-10-21
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Expires: 1969-12-14
Abstract
No abstract record available.
Inventors
- 👤 Rolf O Hammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:00
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/20; B65D25/24; B65D71/00; B65D71/0088; B65D2571/00; B65D2571/00006; B65D2571/0008; B65D2571/00086; B65D2571/00111; B65D2571/00117
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1689097A
Cited
US1690873A
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US1637242A
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US1875104A
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US1812218A
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US2078959A
Cited
US2137142A
Cited
US2119956A
Cited
US2445152A
Cited
US2526228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |