US3304460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for producing radiant energy
Assignee: Individual
•
Filing: 1964-04-27
•
Granted: 1967-02-14
•
Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jr William W Cargill
- 👤 Robert C Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:36
CPC Classifications
H; H05; H05B; H05B31/00; H05B31/003; H05B31/0036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SOURCE OF RADIANT ENERGY COMPRISING A CARBON ANODE, A TUNGSTEN CATHODE DISPOSED IN SPACED RELATION TO SAID ANODE, MEANS FOR ESTABLISHING AN ARC BETWEEN SAID CATHODE AND SAID ANODE, AND MEANS FOR SURROUNDING SAID ARC WITH FLOWING GAS TO CONSTRICT SAID ARC IN A COLUMN HAVING A GENERALLY UNIFORM CROSS-SECTION ALONG ITS LENGTH.
Claim 2
Dependent Claim
54 words
A SOURCE OF RADIANT ENERGY COMPRISING A CARBON ANODE, A TUNGSTEN CATHODE DISPOSED IN SPACED RELATION TO SAID ANODE, MEANS FOR ESTABLISHING AN ARC BETWEEN SAID CATHODE AND SAID ANODE, AND MEANS FOR SURROUNDING SAID ARC WITH FLOWING GAS TO CONSTRICT SAID ARC IN A COLUMN HAVING A GENERALLY UNIFORM CROSS-SECTION ALONG ITS LENGTH.
References Cited (Backward Citations)
US447702A
Cited
US2779890A
Cited
US641958A
Cited
US2862099A
Cited
US2920234A
Cited
US2972698A
Cited
US3015013A
Cited
US3027447A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |