US3036407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building block assembly
Assignee: Individual
•
Filing: 1957-11-12
•
Granted: 1962-05-29
•
Expires: 1977-11-12
Abstract
No abstract record available.
Inventors
- 👤 Daniel R Dixon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:34
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04B2/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US583926A
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US2029876A
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US660308A
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US825069A
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US1071239A
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US1107428A
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US1657861A
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US2141397A
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FR923860A
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US2627176A
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US2684588A
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US2769333A
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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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |