US3341230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel unit
Assignee: Swivelier Co Inc
•
Filing: 1965-10-23
•
Granted: 1967-09-12
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Wichers Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:56
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32672; Y10T403/32681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A SWIVEL UNIT, COMPRISING (A) A BALL ASSEMBLY DEFINED BY A PAIR OF INDEPENDENT BALL SEGMENTS; (B) A NIPPLE, ONE END OF WHICH IS RECEIVED IN SAID BALL ASSEMBLY AND WHICH IS PIVOTALLY MOUNTED ABOUT ITS LONGITUDINAL AXIS RELATIVE THERETO; (C) SPRING MEANS BIASING THE BALL SEGMENTS AWAY FROM ONE ANOTHER;
Claim 2
Dependent Claim
51 words
A SWIVEL UNIT, COMPRISING (A) A BALL ASSEMBLY DEFINED BY A PAIR OF INDEPENDENT BALL SEGMENTS; (B) A NIPPLE, ONE END OF WHICH IS RECEIVED IN SAID BALL ASSEMBLY AND WHICH IS PIVOTALLY MOUNTED ABOUT ITS LONGITUDINAL AXIS RELATIVE THERETO; (C) SPRING MEANS BIASING THE BALL SEGMENTS AWAY FROM ONE ANOTHER;
References Cited (Backward Citations)
DE743641C
Cited
US2545406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |