Patent US3014561A successfully refreshed from Google Patents.
US3014561A
Expired / Lapsed
US
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Building panel
Assignee: Marco Co
•
Filing: 1958-03-19
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Granted: 1961-12-26
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Expires: 1978-03-19
Abstract
No abstract record available.
Inventors
- 👤 George I Ratner
- 👤 Slater Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:15
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/30; E04C2/38; E04C2/384; E04B; E04B1/00; E04B1/38; E04B1/61; E04B1/6108; E04B1/612; E04B1/6125; E04B1/6129; E04B1/6166; E04B1/6175; E04B2/00; E04B2/56; E04B2/58; E04C2/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2300743A
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US2302586A
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US2444091A
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US2411628A
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US2649171A
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US2742116A
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US2696281A
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US2806561A
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US2849943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |