Patent US3168772A successfully refreshed from Google Patents.
US3168772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form system for concrete construction
Assignee: Utah Construction and Mining Co
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Filing: 1963-10-10
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Granted: 1965-02-09
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Expires: 1983-10-10
Abstract
No abstract record available.
Inventors
- 👤 John R Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:51
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/065; E04G17/0655; E04G17/0658; E04G11/00; E04G11/06; E04G11/08; E04G11/12; E04G17/02; E04G17/0651; E04G17/0652; E04G9/00; E04G9/02; E04G9/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A CONCRETE FORM SYSTEM OF THE CHARACTER DESCRIBED IN WHICH SPACED WALLS HAVE TIE ROD ASSEMBLIES EXTENDING ACROSS AND COOPERATING WITH THE SPACED WALLS, THAE COMBINATION OF AT LEAST TWO PANELS ABUTTING ALONG ONE EDGE, EACH PANEL COMPRISING A RECTANGULAR BODY HAVING EXTERNAL FIRST AND SECOND SPACED, SUBSTANTIALLY PARALLEL FACES AND A CORNER SLOT AT EACH CORNER BETWEEN SAID FACES, THE SLOTS OF ABUTTING PANELS EXTENDING TOWARDS ONE ANOTHER AND IN REGISTERED RELATION, A LOCKING ELEMENT INCLUDING A GENERALLY FLAT BODY DISPOSED IN SAID SLOTS MEANS ON THE PANELS POSITIONED AT THE SLOTS TO COOPERATE WITH SAID PANELS AND SAID LOCKING ELEMENT TO LOCK THE PANELS TO ONE ANOTHER VIA THE LOCKING ELEMENT TO LOCK THE PANELS BEING CUT-OUT AT EACH OF SAID CORNERS FOR ACCOMMODATING A TIE ROD ASSEMBLY EXTENDING BETWEEN THE SPACED WALLS AND BEYOND SAID PANELS.
Claim 2
Dependent Claim
140 words
IN A CONCRETE FORM SYSTEM OF THE CHARACTER DESCRIBED IN WHICH SPACED WALLS HAVE TIE ROD ASSEMBLIES EXTENDING ACROSS AND COOPERATING WITH THE SPACED WALLS, THAE COMBINATION OF AT LEAST TWO PANELS ABUTTING ALONG ONE EDGE, EACH PANEL COMPRISING A RECTANGULAR BODY HAVING EXTERNAL FIRST AND SECOND SPACED, SUBSTANTIALLY PARALLEL FACES AND A CORNER SLOT AT EACH CORNER BETWEEN SAID FACES, THE SLOTS OF ABUTTING PANELS EXTENDING TOWARDS ONE ANOTHER AND IN REGISTERED RELATION, A LOCKING ELEMENT INCLUDING A GENERALLY FLAT BODY DISPOSED IN SAID SLOTS MEANS ON THE PANELS POSITIONED AT THE SLOTS TO COOPERATE WITH SAID PANELS AND SAID LOCKING ELEMENT TO LOCK THE PANELS TO ONE ANOTHER VIA THE LOCKING ELEMENT TO LOCK THE PANELS BEING CUT-OUT AT EACH OF SAID CORNERS FOR ACCOMMODATING A TIE ROD ASSEMBLY EXTENDING BETWEEN THE SPACED WALLS AND BEYOND SAID PANELS.
References Cited (Backward Citations)
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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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |