US3292111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrostrictive relay
Assignee: Plessey Overseas Ltd
•
Filing: 1965-04-29
•
Granted: 1966-12-13
•
Expires: 1985-04-29
Abstract
No abstract record available.
Inventors
- 👤 Michael B Cotton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:48
CPC Classifications
H; H01; H01H; H01H57/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
AN ELECTROSTRICTIVE RELAY INCLUDING A PLURALITY OF ELECTROSTRICTIVE BENDING ELEMENTS DEFINING AN ELONGATE STRUCTURE, MEANS COUPLING THE ELECTROSTATIC BENDING ELEMENT TOGETHER, ACTUATING MEANS FIXEDLY SECURED TO ONE OF SAID ELEMENTS, CONTACT MEANS ARRANGED TO BE OPERATED IN RESPONSE TO PREDETERMINED LINEAR MOVEMENT OF SAID ACTUATING MEANS, MEANS RESTRAINING ANOTHER OF SAID ELEMENTS
Claim 2
Dependent Claim
52 words
AN ELECTROSTRICTIVE RELAY INCLUDING A PLURALITY OF ELECTROSTRICTIVE BENDING ELEMENTS DEFINING AN ELONGATE STRUCTURE, MEANS COUPLING THE ELECTROSTATIC BENDING ELEMENT TOGETHER, ACTUATING MEANS FIXEDLY SECURED TO ONE OF SAID ELEMENTS, CONTACT MEANS ARRANGED TO BE OPERATED IN RESPONSE TO PREDETERMINED LINEAR MOVEMENT OF SAID ACTUATING MEANS, MEANS RESTRAINING ANOTHER OF SAID ELEMENTS
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) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |