Patent US3129476A successfully refreshed from Google Patents.
US3129476A
Expired / Lapsed
US
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Spring clip for ground glass tubing joints
Assignee: Brunswick Corp
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Filing: 1962-04-12
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Granted: 1964-04-21
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Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Carl E Sindlinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:49
CPC Classifications
F; F16; F16L; F16L49/00; F16L49/04; F16L37/00; F16L37/08; F16L37/12; F16L37/1225; F16B; F16B2200/00; F16B2200/10; Y; Y10; Y10S; Y10S285/00; Y10S285/911; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A SPRING CLIP FOR GROUND GLASS TUBING JOINTS COMPRISING TWO U-SHAPED WIRE PORTIONS HAVING STRAIGHT SIDES ADAPTED TO ENGAGE PROJECTIONS OF A TUBING JOINT AND STRAIGHT BOTTOMS, SAID BOTTOMS NORMALLY CROSSING EACH OTHER, AND A THIRD U-SHAPED WIRE PORTION JOINING THE TWO PORTIONS TO FORM A CONTINUOUS WIRE, SAID THIRD U-SHAPED WIRE PORTION LYING IN A PLANE WHICH FORMS SUBSTANTIAL ANGLES WITH SAID TWO U-SHAPED WIRE PORTIONS.
Claim 2
Dependent Claim
67 words
A SPRING CLIP FOR GROUND GLASS TUBING JOINTS COMPRISING TWO U-SHAPED WIRE PORTIONS HAVING STRAIGHT SIDES ADAPTED TO ENGAGE PROJECTIONS OF A TUBING JOINT AND STRAIGHT BOTTOMS, SAID BOTTOMS NORMALLY CROSSING EACH OTHER, AND A THIRD U-SHAPED WIRE PORTION JOINING THE TWO PORTIONS TO FORM A CONTINUOUS WIRE, SAID THIRD U-SHAPED WIRE PORTION LYING IN A PLANE WHICH FORMS SUBSTANTIAL ANGLES WITH SAID TWO U-SHAPED WIRE PORTIONS.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |