US3729166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Form panel with snapable form-tie
Assignee: Individual
•
Filing: 1971-03-18
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Granted: 1973-04-24
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Expires: 1991-03-18
Abstract
Abstract A concrete-form tie is disclosed to include a flat sided member seized thereto close to the usual breakback and adapted to be engaged by a socket whereby torque is applied to ''''snap'''' the breakback in aid of removing the outer end of the rod in place in hardened cast concrete.
Inventors
- 👤 F Buyken
- 👤 R Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:11
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/07; E04G17/0707; E04G17/0721
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
106 words
In combination a snapable form-tie with an end passed outward through a hole in a form panel, and which has a mid-portion provided with a breakback located adjacently inward of such form panel hole, the improvement comprising: an integral, annually swelled portion on said end located to be disposed within such a hole in said form panel; said swelled portion having a flat-sided flange thereabout providinG wrench-flats on its periphery coaxial of said formtie; and said flat-sided flange being of a size relative said hole diameter to be engaged for rotation by a socket-type wrenching tool inserted into the form panel hole from its outer end.
Claim 2
Dependent Claim
106 words
In combination a snapable form-tie with an end passed outward through a hole in a form panel, and which has a mid-portion provided with a breakback located adjacently inward of such form panel hole, the improvement comprising: an integral, annually swelled portion on said end located to be disposed within such a hole in said form panel; said swelled portion having a flat-sided flange thereabout providinG wrench-flats on its periphery coaxial of said formtie; and said flat-sided flange being of a size relative said hole diameter to be engaged for rotation by a socket-type wrenching tool inserted into the form panel hole from its outer end.
Claim 3
Dependent Claim
21 words
The combination according to claim 1 in which the flat-sided flange is a separate member non-rotatably secured about said swelled portion.
Claim 4
Dependent Claim
28 words
The combination according to claim 2 in which the flat-sided flange has a square central hole and the swelled portion therein is shaped accordingly and fits tightly therein.
Claim 5
Dependent Claim
19 words
The combination according to claim 1 in which the flat-sided flange is in the form of a multi-sided nut.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |