US2432622A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural member
Assignee: Individual
•
Filing: 1945-06-25
•
Granted: 1947-12-16
•
Expires: 1965-06-25
Abstract
No abstract record available.
Inventors
- 👤 Richard C Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:38
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/38; E04B1/41; E04B1/4171; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49632
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806662A
Cited
US985891A
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US1253216A
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US1399407A
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US1481274A
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US1667532A
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US1711538A
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US1906096A
Cited
US1900541A
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US1963153A
Cited
US2028554A
Cited
US2189820A
Cited
US2328441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-15 | 1951-06-16 | 1951-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-15 | 1955-06-16 | 1955-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-15 | 1959-06-16 | 1959-12-16 | $7700.00 | Window Closed / Lapsed |