US3250940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High pressure discharge device containing molybdenum
Assignee: GTE Sylvania Inc
•
Filing: 1964-05-28
•
Granted: 1966-05-10
•
Expires: 1984-05-28
Abstract
No abstract record available.
Inventors
- 👤 Koury Frederic
- 👤 John F Waymouth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:17
CPC Classifications
H; H01; H01J; H01J61/00; H01J61/02; H01J61/12; H01J61/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A HIGH PRESSURE DISCHARGE DEVICE COMPRISING: AN ARC TUBE HAVING ELECTRODES DISPOSED AT EITHER END THEREOF AND A VAPORIZABLE FILL OF HALOGEN, MERCURY AND ATOMS OF MOLYBDENUM; SAID HALOGEN AND MERCURY RESPECTIVELY BEING PRESENT THEREIN AT AN ATOMIC RATION BETWEEN 0.025 TO 0.85 AND SAID MERCURY BEING PRESENT IN SUFFICIENT QUANTITIES TO BE COMPLETELY VAPORIZED AT NORMAL OPERATING TEMPERATURES OF SAID ARC TUBE AND TO FORM A RESTRICTED ARC THEREIN, THE ATOMS OF MOLYBDENUM BEING PRESENT IN QUANTITIES IN THE RANGE OF 5.5X15-7 TO 1.6X10-5 GRAM ATOMS PER CENTIMETER OF ARC LENGTH.
Claim 2
Dependent Claim
92 words
A HIGH PRESSURE DISCHARGE DEVICE COMPRISING: AN ARC TUBE HAVING ELECTRODES DISPOSED AT EITHER END THEREOF AND A VAPORIZABLE FILL OF HALOGEN, MERCURY AND ATOMS OF MOLYBDENUM; SAID HALOGEN AND MERCURY RESPECTIVELY BEING PRESENT THEREIN AT AN ATOMIC RATION BETWEEN 0.025 TO 0.85 AND SAID MERCURY BEING PRESENT IN SUFFICIENT QUANTITIES TO BE COMPLETELY VAPORIZED AT NORMAL OPERATING TEMPERATURES OF SAID ARC TUBE AND TO FORM A RESTRICTED ARC THEREIN, THE ATOMS OF MOLYBDENUM BEING PRESENT IN QUANTITIES IN THE RANGE OF 5.5X15-7 TO 1.6X10-5 GRAM ATOMS PER CENTIMETER OF ARC LENGTH.
References Cited (Backward Citations)
US2697153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |