US3075066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Article of manufacture and method of making same
Assignee: Union Carbide Corp
•
Filing: 1957-12-03
•
Granted: 1963-01-22
•
Expires: 1977-12-03
Abstract
No abstract record available.
Inventors
- 👤 Donald M Yenni
- 👤 Robert G Rudness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:45
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/04; H01J9/042; B; B23; B23K; B23K35/00; B23K35/40; B23K35/402; C; C23; C23C; C23C4/00; C23C4/02; C23C4/04; C23C4/06; C23C4/12; C23C4/134; C23C4/18; C23C4/185; H01B; H01B1/00; H01B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
PROCESS OF MAKING AN ELECTRODE CONTAINING REFRACTORY METAL AND ELECTRON EMISSIVE MATERIAL WHICH COMPRISES ACCELERATING AND HEATING PARTICLES OF SAID METAL AND EMISSIVE MATERIAL IN A NON-SWIRLING STREAM OF SELECTED GAS WHICH IS PASSED THROUGH A HIGH PRESSURE ELECTRIC ARC AT A CURRENT OF THE ORDER OF 100 AMPERES AND A POTENTIAL OF THE ORDER OF 50 VOLTS, SAID ACCELARATED AND HEATED PARTICLES BEING THEN APPLIED TO A SUPPORTING MEMBER IN A COHERENT MASS.
Claim 2
Dependent Claim
74 words
PROCESS OF MAKING AN ELECTRODE CONTAINING REFRACTORY METAL AND ELECTRON EMISSIVE MATERIAL WHICH COMPRISES ACCELERATING AND HEATING PARTICLES OF SAID METAL AND EMISSIVE MATERIAL IN A NON-SWIRLING STREAM OF SELECTED GAS WHICH IS PASSED THROUGH A HIGH PRESSURE ELECTRIC ARC AT A CURRENT OF THE ORDER OF 100 AMPERES AND A POTENTIAL OF THE ORDER OF 50 VOLTS, SAID ACCELARATED AND HEATED PARTICLES BEING THEN APPLIED TO A SUPPORTING MEMBER IN A COHERENT MASS.
References Cited (Backward Citations)
US1133508A
Cited
US1591717A
Cited
US1952854A
Cited
US2172207A
Cited
US2204391A
Cited
US2330202A
Cited
US2353635A
Cited
US2361378A
Cited
US2488731A
Cited
US2339392A
Cited
US2775531A
Cited
US2754225A
Cited
US2700000A
Cited
US2887413A
Cited
US2768279A
Cited
US2903544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |