US3224155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow panel with integral key connecting feature
Assignee: Individual
•
Filing: 1963-08-12
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Granted: 1965-12-21
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Expires: 1983-08-12
Abstract
No abstract record available.
Inventors
- 👤 Rook Charles Galloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:12
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/08; E04B1/18; E04B1/24; E04C; E04C2/00; E04C2/02; E04C2/08; E04B2001/2481
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A BUILDING CONSTRUCTION INTERLOCKING PANEL BOARD COMPRISING, A PAIR OF PARALLEL SPACED SIDEWALL MEMBERS HAVING LOWER AND SIDE EDGE PORTIONS AND AN INTEGRAL UPPER EDGE CONNECTING PORTION THEREBETWEEN FORMED OF SHEET MATERIAL TO A GENERALLY U-SHAPED CROSS-SECTION, PORTIONS OF EACH OF SAID SIDEWALLS REMOTE FROM SAID UPPER EDGE CONNECTING PORTION AND ADJACENT THE LOWER EDGES BEING CRIMPED INWARDS AND OUTWARDS TO FORM INWARDLY EXTENDING RESPECTIVE STIFFENING RIBS GENERALLY PARALLEL TO SAID LOWER EDGE PORTIONS, THE LOWER OUTER PORTIONS OF SAID RIBS EXTENDING DOWNWARDLY BELOW SAID RIBS SUBSTANTIALLY IN THE PLANES OF THE RESPECTIVE SIDE WALLS AND THEN BEING FORMED INWARDS AND UPWARDS TO PROVIDE DEPENDING SPACED TONGUE ELEMENTS WITH PARALLEL SIDEWALL MEMBERS AND GROOVES THEREBETWEEN, A STIFFENING CHANNEL MEMBER OF U-SHAPED CROSS-SECTION HAVING A BASE PORTION AND DEPENDING LEG PORTIONS POSITIONED BETWEEN SAID SIDEWALL MEMBERS OF SAID PANEL BOARD WITH A RESPECTIVE ONE OF ITS LEG PORTIONS RECEIVED IN A RESPECTIVE ONE OF SAID GROOVES AND WITH ITS BASE PORTION ABUTTING BOTH SAID RIBS AND WITH RESPECTIVE CORNERS OF ITS
Claim 2
Dependent Claim
170 words
A BUILDING CONSTRUCTION INTERLOCKING PANEL BOARD COMPRISING, A PAIR OF PARALLEL SPACED SIDEWALL MEMBERS HAVING LOWER AND SIDE EDGE PORTIONS AND AN INTEGRAL UPPER EDGE CONNECTING PORTION THEREBETWEEN FORMED OF SHEET MATERIAL TO A GENERALLY U-SHAPED CROSS-SECTION, PORTIONS OF EACH OF SAID SIDEWALLS REMOTE FROM SAID UPPER EDGE CONNECTING PORTION AND ADJACENT THE LOWER EDGES BEING CRIMPED INWARDS AND OUTWARDS TO FORM INWARDLY EXTENDING RESPECTIVE STIFFENING RIBS GENERALLY PARALLEL TO SAID LOWER EDGE PORTIONS, THE LOWER OUTER PORTIONS OF SAID RIBS EXTENDING DOWNWARDLY BELOW SAID RIBS SUBSTANTIALLY IN THE PLANES OF THE RESPECTIVE SIDE WALLS AND THEN BEING FORMED INWARDS AND UPWARDS TO PROVIDE DEPENDING SPACED TONGUE ELEMENTS WITH PARALLEL SIDEWALL MEMBERS AND GROOVES THEREBETWEEN, A STIFFENING CHANNEL MEMBER OF U-SHAPED CROSS-SECTION HAVING A BASE PORTION AND DEPENDING LEG PORTIONS POSITIONED BETWEEN SAID SIDEWALL MEMBERS OF SAID PANEL BOARD WITH A RESPECTIVE ONE OF ITS LEG PORTIONS RECEIVED IN A RESPECTIVE ONE OF SAID GROOVES AND WITH ITS BASE PORTION ABUTTING BOTH SAID RIBS AND WITH RESPECTIVE CORNERS OF ITS
References Cited (Backward Citations)
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US1831281A
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US2218377A
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US2718287A
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US2762470A
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |