US2743048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of charging a sealed microwave absorptive gas cell
Assignee: RCA Corp
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Filing: 1950-11-29
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Granted: 1956-04-24
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Expires: 1970-11-29
Abstract
No abstract record available.
Inventors
- 👤 Leck George Washington
- 👤 Hershberger William Delmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:13
CPC Classifications
H; H03; H03L; H03L7/00; H03L7/26
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A METHOD FOR PREPARING A SEALED CELL TO MAINTAIN A MICROWAVE ABSORPTIVE RESONANT GAS AT A CONSTANT PARTIAL PRESSURE IN SAID GAS CELL COMPRISING EVACUATING SAID CELL OF UNDESIRABLE ELEMENTS, INTRODUCING A GAS INTO SAID CELL WHICH HAS A LOW MOLECULAR WEIGHT COMPARED WITH THE MOLECULAR WEIGHT OF SAID MICROWAVE ABSORPTIVE GAS AND IS INERT WITH RESPECT THERETO, SAID GAS REDUCING THE EFFECTS OF ABSORPTION AND ADSORPTION ON SAID RESONANT GAS, INTRODUCING SAID MICROWAVE ABSORPTIVE RESONANT GAS INTO SAID SEALED CELL, AND REDUCING THE PRESSURE OF SAID CELL TO A FINAL OPERATING VALUE NOT GREATER THAN 10-1 MILLIMETERS OF MERCURY.
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US1951142A
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US2284899A
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US2265756A
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US2427098A
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US2483768A
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US2483818A
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US2483829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-24 | 1959-10-24 | 1960-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-24 | 1963-10-24 | 1964-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-24 | 1967-10-24 | 1968-04-24 | $7700.00 | Window Closed / Lapsed |