US2924962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction
Assignee: Individual
•
Filing: 1954-12-02
•
Granted: 1960-02-16
•
Expires: 1974-12-02
Abstract
No abstract record available.
Inventors
- 👤 Nettle Lawrence Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:59
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04B; E04B1/00; E04B1/02; E04B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US575209A
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US954645A
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US1499483A
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US1964816A
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US2074721A
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US2008775A
Cited
US2111577A
Cited
US2299072A
Cited
US2345419A
Cited
US2476433A
Cited
US2488944A
Cited
US2577323A
Cited
US2632534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |