US3150281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass of high ultraviolet transmittance, method, and articles manufactured therefrom
Assignee: Individual
•
Filing: 1961-04-26
•
Granted: 1964-09-22
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 Adli M Bishay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/12; C03C3/14; C03C3/145; H; H01; H01J; H01J61/00; H01J61/02; H01J61/30
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
13 words
A GLASS COMPOSITION CONSISTING ESSENTIALLY OF THE MOLAR PROPORTIONS 4.5B2O3, 1.OAU2O3, AND 1.OK2O.
Claim 2
Dependent Claim
13 words
A GLASS COMPOSITION CONSISTING ESSENTIALLY OF THE MOLAR PROPORTIONS 4.5B2O3, 1.OAU2O3, AND 1.OK2O.
Claim 3
Independent Claim
27 words
A METHOD OF MAKING A GLASS OF HIGH ULTRAVIOLET TRANSMITTANCE, COMPRISING UNDER AN INERT ATMOSPHERE A MIXTURE CONSISTING ESSENTIALLY OF THE MOLAR PROPORTIONS 0.90(NH4)2B10O16.8H2O, 2.OAL(OH)3 AND 1.OK2CO3.
Claim 4
Independent Claim
27 words
A METHOD OF MAKING A GLASS OF HIGH ULTRAVIOLET TRANSMITTANCE, COMPRISING UNDER AN INERT ATMOSPHERE A MIXTURE CONSISTING ESSENTIALLY OF THE MOLAR PROPORTIONS 0.90(NH4)2B10O16.8H2O, 2.OAL(OH)3 AND 1.OK2CO3.
Claim 5
Dependent Claim
60 words
A GERMICIDAL LAMP COMPRISING AN ELONGATED CYLINDRICAL ENVELOPE OF GLASS CONSISTING ESSENTIALLY OF B2O3, AL2O3 AND K2O IN THE MOLAR PROPORTIONS OF 4.5B2O3, 1.0AL2O3 AND 1.0K2O, SAID ENVELOPE BEING HERMETICALLY SEALED AT BOTH ENDS AROUND ELECTRICAL CONDUCTORS, A BALLAST AT ONE OF THE ENDS, ELECTRODES WITHIN THE ENVELOPE AT EACH END, AND MERCURY VAPOR THROUGHOUT THE INTERIOR OF THE ENVELOPE.
Claim 6
Dependent Claim
60 words
A GERMICIDAL LAMP COMPRISING AN ELONGATED CYLINDRICAL ENVELOPE OF GLASS CONSISTING ESSENTIALLY OF B2O3, AL2O3 AND K2O IN THE MOLAR PROPORTIONS OF 4.5B2O3, 1.0AL2O3 AND 1.0K2O, SAID ENVELOPE BEING HERMETICALLY SEALED AT BOTH ENDS AROUND ELECTRICAL CONDUCTORS, A BALLAST AT ONE OF THE ENDS, ELECTRODES WITHIN THE ENVELOPE AT EACH END, AND MERCURY VAPOR THROUGHOUT THE INTERIOR OF THE ENVELOPE.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |