Patent US2942453A successfully refreshed from Google Patents.
US2942453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall construction and bond
Assignee: Individual
•
Filing: 1954-07-19
•
Granted: 1960-06-28
•
Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Kaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:55
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |