Patent DE343087C successfully refreshed from Google Patents.
Patent US2545109A successfully refreshed from Google Patents.
US3305992A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow core door construction
Assignee: STEED ENGINEERING Inc
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Filing: 1964-06-08
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Granted: 1967-02-28
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Expires: 1984-06-08
Abstract
No abstract record available.
Inventors
- 👤 Blaine G Steed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:18
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/7001; B; B27; B27F; B27F1/00; B27F1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A HOLLOW CORE PANEL HAVING AN ENGRAVED DESIGN ON THE FACE THEREOF FORMED BY GROOVES COMPRISING: A FRAME FORMED OF STRIPS DEFINING THE PERIPHERY OF THE PANEL AND STRIPS WITHIN THE PERIPHERY GENERALLY OUTLINING THE ENGRAVED DESIGN, A SHEET OF MATERIAL BONDED TO EACH OF THE STRIPS AND COVERING THE FRAME TO FORM THE FACE OF THE PANEL, AND GROOVES CUT IN THE FACE OF THE PANEL THROUGH THE SHEET OF MATERIAL INTO THE STRIPS GENERALLY OUTLINING THE ENGRAVED DESIGN TO FORM THE ENGRAVED DESIGN, THE SHEET OF MATERIAL BEING BONDED TO THE STRIPS ALONG BOTH EDGES OF THE SHEET FORMED BY THE GROOVES.
Claim 2
Dependent Claim
104 words
A HOLLOW CORE PANEL HAVING AN ENGRAVED DESIGN ON THE FACE THEREOF FORMED BY GROOVES COMPRISING: A FRAME FORMED OF STRIPS DEFINING THE PERIPHERY OF THE PANEL AND STRIPS WITHIN THE PERIPHERY GENERALLY OUTLINING THE ENGRAVED DESIGN, A SHEET OF MATERIAL BONDED TO EACH OF THE STRIPS AND COVERING THE FRAME TO FORM THE FACE OF THE PANEL, AND GROOVES CUT IN THE FACE OF THE PANEL THROUGH THE SHEET OF MATERIAL INTO THE STRIPS GENERALLY OUTLINING THE ENGRAVED DESIGN TO FORM THE ENGRAVED DESIGN, THE SHEET OF MATERIAL BEING BONDED TO THE STRIPS ALONG BOTH EDGES OF THE SHEET FORMED BY THE GROOVES.
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |