Patent US3275957A successfully refreshed from Google Patents.
US3275957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave energy windows with conductive coating for dissipating static charges
Assignee: Teledyne UK Ltd
•
Filing: 1963-08-19
•
Granted: 1966-09-27
•
Expires: 1983-08-19
Abstract
No abstract record available.
Inventors
- 👤 Pickering Alan Hugh
- 👤 Thompson Frederick Charles
- 👤 Young Arthur James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 10:13
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/08; H01J; H01J23/00; H01J23/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A MICROWAVE ENERGY WINDOW OF INSULATING MATERIAL HAVING ON AT LEAST ONE OF ITS SURFACES A THIN RESISTIVE CONDUCTIVE COATING SHAPED TO FORM AT LEAST ONE CONDUCTOR EXTENDING SUBSTANTIALLY PERPENDICULARLY TO THE DIRECTION OF
Claim 2
Dependent Claim
34 words
A MICROWAVE ENERGY WINDOW OF INSULATING MATERIAL HAVING ON AT LEAST ONE OF ITS SURFACES A THIN RESISTIVE CONDUCTIVE COATING SHAPED TO FORM AT LEAST ONE CONDUCTOR EXTENDING SUBSTANTIALLY PERPENDICULARLY TO THE DIRECTION OF
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |