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US2624920A
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Solid wall structure
Assignee: Individual
•
Filing: 1949-09-02
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Granted: 1953-01-13
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Expires: 1969-09-02
Abstract
No abstract record available.
Inventors
- 👤 Walter M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:37
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/70; E04B2/701; E04B2/704
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL45728C
Cited
US1866527A
Cited
US1942348A
Cited
US1931709A
Cited
US1986739A
Cited
FR851023A
Cited
US2291712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-13 | 1956-07-14 | 1957-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-13 | 1960-07-14 | 1961-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-13 | 1964-07-14 | 1965-01-13 | $7700.00 | Window Closed / Lapsed |