US2451747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Doweled structure
Assignee: Individual
•
Filing: 1945-03-23
•
Granted: 1948-10-19
•
Expires: 1965-03-23
Abstract
No abstract record available.
Inventors
- 👤 Ernest T Kindt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:52
CPC Classifications
B; B22; B22C; B22C21/00; B22C21/10; Y; Y10; Y10S; Y10S411/00; Y10S411/919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE95368C
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US115214A
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US610423A
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US679970A
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US1455793A
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US1749547A
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US2184449A
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US2221141A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-10-19 | 1952-04-19 | 1952-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-10-19 | 1956-04-19 | 1956-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-10-19 | 1960-04-19 | 1960-10-19 | $7700.00 | Window Closed / Lapsed |