US2453918A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint for composite structural elements
Assignee: Individual
•
Filing: 1945-03-15
•
Granted: 1948-11-16
•
Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Jansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:18
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34315; E04B1/34321; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6125; E04B1/6137
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US333903A
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US517348A
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US730150A
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US1126351A
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US1504454A
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US1871618A
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US2174180A
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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) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |