US3811299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two part knitting needle
Assignee: Státní Výzkumný Ústav Textilní
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Filing: 1971-12-21
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Granted: 1974-05-21
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Expires: 1991-12-21
Abstract
Abstract A two-part knitting needle comprising a hook part formed with a stem and a hook, and a sliding latch part to reciprocate in a longitudinal guideway provided in said stem, the free end portion of the hook being terminated in an onrun portion to be engaged by said sliding latch part in order to prevent the latch from being deflected towards the interior of the hook part.
Inventors
- 👤 J Sedlecky
- 👤 V Kolar
- 👤 E Peschl
- 👤 J Zmatlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:39
CPC Classifications
D; D04; D04B; D04B35/00; D04B35/02; D04B35/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
157 words
A two-part knitting needle comprising a hook part formed with a stem at its rear end and a hook with a free end at its forward end, and a sliding latch part formed with a rearwardly disposed shank which is arranged to reciprocate in a longitudinal guideway provided in said stem, the latch having a forward active portion which is adapted selectively to engage and cover the free end of said hook, the free end of the hook being provided with an onrun portion extending towards the interior of the hook and merging into a guiding surface for slidably guiding the active portion of the latch part thereover, said guiding surface being formed as a protuberance provided on the top of said free end of the hook, said protuberance being rounded in a direction lengthwise of the needle, the active portion of the latch part being provided with a mating channel to receive and engage said protuberance.
Claim 2
Dependent Claim
157 words
A two-part knitting needle comprising a hook part formed with a stem at its rear end and a hook with a free end at its forward end, and a sliding latch part formed with a rearwardly disposed shank which is arranged to reciprocate in a longitudinal guideway provided in said stem, the latch having a forward active portion which is adapted selectively to engage and cover the free end of said hook, the free end of the hook being provided with an onrun portion extending towards the interior of the hook and merging into a guiding surface for slidably guiding the active portion of the latch part thereover, said guiding surface being formed as a protuberance provided on the top of said free end of the hook, said protuberance being rounded in a direction lengthwise of the needle, the active portion of the latch part being provided with a mating channel to receive and engage said protuberance.
Claim 3
Dependent Claim
28 words
A two-part knitting needle as defined in claim 1, wherein the length of the guiding surface equals at least one-fourth of the overall length of the hook part.
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) | 1977-05-20 | 1977-11-19 | 1978-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-20 | 1981-11-19 | 1982-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-20 | 1985-11-19 | 1986-05-21 | $7700.00 | Window Closed / Lapsed |