Patent US2432445A successfully refreshed from Google Patents.
US2432445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall or roof tile
Assignee: Individual
•
Filing: 1943-05-12
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Granted: 1947-12-09
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Expires: 1963-05-12
Abstract
No abstract record available.
Inventors
- 👤 Roe James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:21
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1632421A
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US1882529A
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US2151447A
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US2213355A
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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) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |