Patent US2477843A successfully refreshed from Google Patents.
US2477843A
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US
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Belt wrapper
Assignee: Bethlehem Steel Corp
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Filing: 1944-09-12
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Granted: 1949-08-02
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Expires: 1964-09-12
Abstract
No abstract record available.
Inventors
- 👤 Wilson Tom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:47
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/28; B65H18/00; B65H18/08; B65H18/14; B65H18/22; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/41419; B65H2301/41422; B65H2301/414222
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) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |