US3703304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Construction element with anchor teeth
Assignee: ATLAS ENG PRODUCTS Inc
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Filing: 1971-09-09
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Granted: 1972-11-21
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Expires: 1991-09-09
Abstract
Abstract A construction element of the multiple tooth or nail type in which the long, narrow teeth are arranged in pairs, each tooth of each pair projecting in the same general direction substantially perpendicularly from a plate, being integral with the plate and being formed on one lateral edge only with a spur extending generally toward the mating tooth and with a relief region between the spur and the tooth base, the teeth being longitudinally dished in their facing surfaces and being twisted in a common direction so that the spurred edge of each tooth is advanced toward its mating tooth.
Inventors
- 👤 Walter J Losee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:52
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/0023; F16B15/003; F16B15/0046; F16B15/06; F16B2015/0076; F16B2200/00; F16B2200/50; F16B2200/503; F16B2200/67; Y; Y10; Y10S; Y10S411/00; Y10S411/921
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
139 words
A construction element comprising a metal plate, a multiplicity of teeth protruding generally in a common direction from one surface of said plate, each tooth having a base and a tip and each tooth having a length-to-width ratio of at least approximately 13:5, each tooth being formed in one lateral edge only with an inwardly curved relief defining a spur at the distal end of said relief, said teeth being arranged in facing allochirally related pairs and each spur being located in a region nearer to the tip than to the base of its tooth, and each tooth being twisted through an angle of from 30* to 60* about its longitudinal axis to dispose its spurred edge closer than its other edge to the other tooth of the pair and to increase the effective length:width ratio of the tooth.
Claim 2
Dependent Claim
139 words
A construction element comprising a metal plate, a multiplicity of teeth protruding generally in a common direction from one surface of said plate, each tooth having a base and a tip and each tooth having a length-to-width ratio of at least approximately 13:5, each tooth being formed in one lateral edge only with an inwardly curved relief defining a spur at the distal end of said relief, said teeth being arranged in facing allochirally related pairs and each spur being located in a region nearer to the tip than to the base of its tooth, and each tooth being twisted through an angle of from 30* to 60* about its longitudinal axis to dispose its spurred edge closer than its other edge to the other tooth of the pair and to increase the effective length:width ratio of the tooth.
Claim 3
Dependent Claim
139 words
A construction element comprising a metal plate, a multiplicity of teeth protruding generally in a common direction from one surface of said plate, each tooth having a base and a tip and each tooth having a length-to-width ratio of at least approximately 13:5, each tooth being formed in one lateral edge only with an inwardly curved relief defining a spur at the distal end of said relief, said teeth being arranged in facing allochirally related pairs and each spur being located in a region nearer to the tip than to the base of its tooth, and each tooth being twisted through an angle of from 30* to 60* about its longitudinal axis to dispose its spurred edge closer than its other edge to the other tooth of the pair and to increase the effective length:width ratio of the tooth.
Claim 4
Dependent Claim
139 words
A construction element comprising a metal plate, a multiplicity of teeth protruding generally in a common direction from one surface of said plate, each tooth having a base and a tip and each tooth having a length-to-width ratio of at least approximately 13:5, each tooth being formed in one lateral edge only with an inwardly curved relief defining a spur at the distal end of said relief, said teeth being arranged in facing allochirally related pairs and each spur being located in a region nearer to the tip than to the base of its tooth, and each tooth being twisted through an angle of from 30* to 60* about its longitudinal axis to dispose its spurred edge closer than its other edge to the other tooth of the pair and to increase the effective length:width ratio of the tooth.
Claim 5
Dependent Claim
42 words
The element of claim 1 in which each tooth of a pair is dished, substantially about its longitudinal axis, in that face which is presented toward the other tooth of the pair, further to increase the effective length:width ratio of the tooth.
Claim 6
Dependent Claim
17 words
The element of claim 1 in which the degree of twist of each tooth is approximately 45*.
References Cited (Backward Citations)
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US3277768A
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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) | 1975-11-21 | 1976-05-22 | 1976-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-21 | 1980-05-22 | 1980-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-21 | 1984-05-22 | 1984-11-21 | $7700.00 | Window Closed / Lapsed |