US2741909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tile panel
Assignee: Individual
•
Filing: 1951-01-05
•
Granted: 1956-04-17
•
Expires: 1971-01-05
Abstract
No abstract record available.
Inventors
- 👤 Hartlmair Willibald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:33
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/04; E04C2/041; E04C2002/005; E04C2002/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US602691A
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US1315166A
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US738704A
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US1024687A
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US1763494A
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DE594237C
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US2020455A
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US2056289A
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US2265614A
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US2308650A
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US2522807A
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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) | 1959-04-17 | 1959-10-17 | 1960-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-17 | 1963-10-17 | 1964-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-17 | 1967-10-17 | 1968-04-17 | $7700.00 | Window Closed / Lapsed |