US2617064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-electric device
Assignee: Westinghouse Electric Corp
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Filing: 1950-10-12
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Granted: 1952-11-04
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Expires: 1970-10-12
Abstract
No abstract record available.
Inventors
- 👤 Lewin Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:18
CPC Classifications
H; H01; H01J; H01J13/00; H01J13/02; H01J13/04; H01J13/06; H01J13/10; H01J2893/00; H01J2893/0072; H01J2893/0073; H01J2893/0074; H01J2893/0075; H01J2893/0077; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9265; Y10S428/929; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12021; Y10T428/12028; Y10T428/12042; Y10T428/12063; Y10T428/12097; Y10T428/12229; Y10T428/12236; Y10T428/12243; Y10T428/12486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A VAPOR-ELECTRIC DEVICE COMPRISING A SEALED CASING HAVING AN ANODE THEREON, A SPONGE CATHODE FIXED IN SAID CASING, SAID CATHODE COMPRISING DIFFERENT SPONGE MATERIALS AT DIFFERENT PORTIONS OF SAID CATHODE AND WITH AN EXTENSIVE PART OF ONE MAKING INTIMATE CONTACT WITH A CORRESPONDING PART OF THE OTHER, AN IGNITOR IN SAID CASING AND IN CONTACT WITH ONE OF SAID SPONGE MATERIALS, AND RECONSTRUCTIVE CATHODE MATERIAL ABSORBED IN SAID SPONGE CATHODE.
Claim 2
Dependent Claim
70 words
A VAPOR-ELECTRIC DEVICE COMPRISING A SEALED CASING HAVING AN ANODE THEREON, A SPONGE CATHODE FIXED IN SAID CASING, SAID CATHODE COMPRISING DIFFERENT SPONGE MATERIALS AT DIFFERENT PORTIONS OF SAID CATHODE AND WITH AN EXTENSIVE PART OF ONE MAKING INTIMATE CONTACT WITH A CORRESPONDING PART OF THE OTHER, AN IGNITOR IN SAID CASING AND IN CONTACT WITH ONE OF SAID SPONGE MATERIALS, AND RECONSTRUCTIVE CATHODE MATERIAL ABSORBED IN SAID SPONGE CATHODE.
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |