Patent US3300924A successfully refreshed from Google Patents.
US3300924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Panel assembly and concealed panel fastener
Assignee: United States Plywood Corp
•
Filing: 1963-08-21
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Granted: 1967-01-31
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Expires: 1983-08-21
Abstract
No abstract record available.
Inventors
- 👤 Frederick R Ashby
- 👤 Harold V Ettore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:20
CPC Classifications
E; E04; E04F; E04F21/00; E04F21/18; E04F21/1838; E04F21/1844; E04F21/185; E04F13/00; E04F13/07; E04F13/08; E04F13/0801; E04F13/0803; E04F13/081; E04F13/0812; E04B; E04B2/00; E04B2/74; E04B2002/7461; E04B2002/7462
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1364357A
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US1980900A
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US2082314A
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US2796158A
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US2708292A
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US2833001A
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US2858916A
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US2962252A
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US3103708A
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US3173178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |