Patent US2009245A successfully refreshed from Google Patents.
Patent US2465871A successfully refreshed from Google Patents.
US2465871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Faced monolithic building wall
Assignee: Individual
•
Filing: 1946-12-03
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Granted: 1949-03-29
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Expires: 1966-12-03
Abstract
No abstract record available.
Inventors
- 👤 Charles A Hardie
- 👤 Frank M Pennebaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:43
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/84; E04B2/86; E04B2/8605; E04B2002/8682; E04B2002/8688; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1744; Y10T156/1751; Y10T156/1754; Y10T156/1756
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1661037A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |