US2473298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Reconstruction Finance Corp
•
Filing: 1946-02-14
•
Granted: 1949-06-14
•
Expires: 1966-02-14
Abstract
No abstract record available.
Inventors
- 👤 Peremi Edmund
- 👤 Weimann Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:14
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/10; E05D13/12; E05D13/1207; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US452800A
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US495646A
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GB189729577A
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US939004A
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US1127981A
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US1326345A
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US1665816A
Cited
US1791219A
Cited
US1857093A
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US1909698A
Cited
US2101577A
Cited
US2279600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |