US2476229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block and method of making same
Assignee: Individual
•
Filing: 1944-08-28
•
Granted: 1949-07-12
•
Expires: 1964-08-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Tobin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:25
CPC Classifications
E; E04; E04C; E04C1/00; E04C1/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1181781A
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US1363379A
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US1754051A
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US1708394A
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US2001162A
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US1969125A
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US2027230A
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US2176213A
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US2173020A
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US2228363A
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US2205730A
Cited
US2209564A
Cited
US2269018A
Cited
US2251840A
Cited
GB548403A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |