US3215544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions for sealing holes in glass
Assignee: Libbey Owens Ford Glass Co
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Filing: 1962-10-18
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Granted: 1965-11-02
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Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas B O'connell
- 👤 Alfred E Badger
- 👤 Donald E Shamp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:36
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/04; C03C27/042; C03C27/044; C03C8/00; C03C8/24; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10S65/00; Y10S65/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A COMPOSITION FOR SEALING HOLES IN GLASS CONSISTING OF; A GLASS SOLDER CONSISTING ESSENTIALLY OF 20 TO 75 PERCENT BY WEIGHT OF AG2O, 0 TO 35 PERCENT BY WEIGHT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF PBO, ZNO, CDO AND MIXTURES THEREOF, AND 25 TO 55 PERCENT BY WEIGHT OF P2O5; AND 35 TO 45 PERCENT OF SIO2 BASED ON THE WEIGHT OF THE SOLDER, SAID SIO2 BEING ADDED AS POWDERED, FUSED QUARTZ GLASS.
Claim 2
Dependent Claim
76 words
A COMPOSITION FOR SEALING HOLES IN GLASS CONSISTING OF; A GLASS SOLDER CONSISTING ESSENTIALLY OF 20 TO 75 PERCENT BY WEIGHT OF AG2O, 0 TO 35 PERCENT BY WEIGHT OF AN OXIDE SELECTED FROM THE GROUP CONSISTING OF PBO, ZNO, CDO AND MIXTURES THEREOF, AND 25 TO 55 PERCENT BY WEIGHT OF P2O5; AND 35 TO 45 PERCENT OF SIO2 BASED ON THE WEIGHT OF THE SOLDER, SAID SIO2 BEING ADDED AS POWDERED, FUSED QUARTZ GLASS.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |