US2750321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antennas and material for fabrication thereof
Assignee: RAYMOND DE ICER AND ENGINEERIN
•
Filing: 1951-09-04
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Granted: 1956-06-12
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Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Koppelman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:02
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/14; H01Q15/141; H01Q15/142; B; B29; B29C; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/22; B32; B32B; B32B15/00; B32B15/04; B32B15/08; H01B; H01B11/00; H01B11/02; H01B11/06; H01B11/10; H01B11/1033; H01Q1/00; H01Q1/08; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A STRUCTURE ADAPTED TO SEND AND RECEIVE ELECTRICAL WAVES: A SHEET OF NONMETALLIC WOVEN FABRIC HAVING METAL DEPOSITED ON ITS SURFACE IN QUANTITY SUFFICIENT TO RENDER SAID SHEET ELECTRICALLY CONDUCTIVE BUT INSUFFICIENT TO RENDER SAID SHEET IMPERMEABLE TO FLUIDS, THE METALLIZED FABRIC ENCASED BETWEEN LAYERS OF A WATERPROOF, SOLID, ELECTRICALLY NONCONDUCTVE RESIN, SAID LAYERS BEING BONDED TOGETHER THROUGH PORES IN SAID FABRIC AND AROUND THE PERIPHERY OF SAID SHEET, AND AN ELECTRICAL TERMINAL ELECTRICALLY CONNECTED TO SAID METALLIZED FABRIC.
Claim 2
Dependent Claim
79 words
A STRUCTURE ADAPTED TO SEND AND RECEIVE ELECTRICAL WAVES: A SHEET OF NONMETALLIC WOVEN FABRIC HAVING METAL DEPOSITED ON ITS SURFACE IN QUANTITY SUFFICIENT TO RENDER SAID SHEET ELECTRICALLY CONDUCTIVE BUT INSUFFICIENT TO RENDER SAID SHEET IMPERMEABLE TO FLUIDS, THE METALLIZED FABRIC ENCASED BETWEEN LAYERS OF A WATERPROOF, SOLID, ELECTRICALLY NONCONDUCTVE RESIN, SAID LAYERS BEING BONDED TOGETHER THROUGH PORES IN SAID FABRIC AND AROUND THE PERIPHERY OF SAID SHEET, AND AN ELECTRICAL TERMINAL ELECTRICALLY CONNECTED TO SAID METALLIZED FABRIC.
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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) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |