US2703003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wall panel
Assignee: Individual
•
Filing: 1947-07-28
•
Granted: 1955-03-01
•
Expires: 1967-07-28
Abstract
No abstract record available.
Inventors
- 👤 Frederick H Ruppel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:13
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1523811A
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US1980397A
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US1714987A
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US1997809A
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US2229779A
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US2108065A
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US2049733A
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US2192183A
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US2154619A
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US2201504A
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US2275056A
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US2321860A
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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) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |