Patent US2658243A successfully refreshed from Google Patents.
US2658243A
Expired / Lapsed
US
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Laterally movable door
Assignee: Youngstown Steel Door Co
•
Filing: 1950-06-01
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Granted: 1953-11-10
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Expires: 1970-06-01
Abstract
No abstract record available.
Inventors
- 👤 Wilfred A Beauchamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:30
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/009; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0848; Y10T292/0849; Y10T292/0861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US277001A
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US411846A
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US1720933A
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US1737468A
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US1900254A
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US2108224A
Cited
US2442031A
Cited
US2511425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |