US3330930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shorting and non-shorting switch contact constructions
Assignee: F and F Enterprises Inc
•
Filing: 1965-12-27
•
Granted: 1967-07-11
•
Expires: 1985-12-27
Abstract
No abstract record available.
Inventors
- 👤 James E Hill
- 👤 Matthew C Podgorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:23
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/36; H01H1/44; H01H1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A SWITCH CONSTRUCTION COMPRISING A PLURALITY OF CONTACT MEMBERS AND A CONTACT SHOE MOVABLE OVER SAID MEMBERS TO COMPLETE CIRCUITS THEREBETWEEN, THE IMPROVEMENT WHEREIN SAID CONTACT MEMBERS COMPRISE AT LEAST THREE MEMBERS WITH TWO OF THE MEMBERS IN A LINE PARALLEL TO THE PATH OF MOVEMENT OF SAID SHOE AND WITH ONE OTHER MEMBER OFFSET FROM SAID LINE, SAID SHOE COMPRISING AT LEAST THREE CONTACT ELEMENTS WITH TWO OF SAID ELEMENTS POSITIONED FOR MOVEMENT IN CONTACT WITH SAID TWO MEMBERS AND WITH ONE OTHER ELEMENT POSITIONED FOR MOVEMENT IN CONTACT WITH SAID OTHER MEMBER, AND MEANS RESILIENTLY PRESSING SAID SHOE AGAINST SAID CONTACT MEMBERS.
Claim 2
Dependent Claim
105 words
IN A SWITCH CONSTRUCTION COMPRISING A PLURALITY OF CONTACT MEMBERS AND A CONTACT SHOE MOVABLE OVER SAID MEMBERS TO COMPLETE CIRCUITS THEREBETWEEN, THE IMPROVEMENT WHEREIN SAID CONTACT MEMBERS COMPRISE AT LEAST THREE MEMBERS WITH TWO OF THE MEMBERS IN A LINE PARALLEL TO THE PATH OF MOVEMENT OF SAID SHOE AND WITH ONE OTHER MEMBER OFFSET FROM SAID LINE, SAID SHOE COMPRISING AT LEAST THREE CONTACT ELEMENTS WITH TWO OF SAID ELEMENTS POSITIONED FOR MOVEMENT IN CONTACT WITH SAID TWO MEMBERS AND WITH ONE OTHER ELEMENT POSITIONED FOR MOVEMENT IN CONTACT WITH SAID OTHER MEMBER, AND MEANS RESILIENTLY PRESSING SAID SHOE AGAINST SAID CONTACT MEMBERS.
References Cited (Backward Citations)
US3201532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |