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Patent US2787198A successfully refreshed from Google Patents.
US2787198A
Expired / Lapsed
US
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Hinged welded fabric
Assignee: Bethlehem Steel Corp
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Filing: 1950-12-15
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Granted: 1957-04-02
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Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 William E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:43
CPC Classifications
B; B21; B21F; B21F27/00; B21F27/005; E; E01; E01C; E01C11/00; E01C11/16; E01C11/18; E04; E04C; E04C5/00; E04C5/01; E04C5/02; E04C5/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1772654A
Cited
US1791692A
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US2313211A
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US2360674A
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US2361164A
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US2405556A
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US2417578A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |