US3267569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-insulating glass pane and method of making same
Assignee: DEUTSCHE LIBBEY-OWENS GESELLSCHAFT fur MASCHINELLE GLASHERSTELLUNG AG
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Filing: 1964-03-11
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Granted: 1966-08-23
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Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Eichhorn Rudolf
- 👤 Reis Wolf Von
- 👤 Stockmann Gunther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/66; E06B3/663; E06B3/66309; E06B3/66342; E06B3/66357; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12264; Y10T428/12354; Y10T428/12458; Y10T428/12493; Y10T428/12708; Y10T428/12715
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD OF MAKING A HEAT-INSULATING GLASS PANE FROM TWO GLASS SHEETS, COMPRISING THE STEPS OF FORMING CONTINUOUS METAL DEPOSITS OF CLOSED CONFIGURATION ALONG COEXTENSIVE PERIPHERAL ZONES OF CONFRONTING FACES OF SAID SHEETS, APPLYING PREFORMED SOLDER STRIPS TO OPPOSITE LONGITUDINAL EDGES OF A LEAD BILLET, PASSING THE COMPOSITE LEAD BILLET AND SOLDER STRIPS THROUGH A HEATED EXTRUDER FOR TRANSFORMING SAID COMPOSITE INTO A UNITARY CHANNELSHAPED STRIP HAVING A WEB PREDOMINANTLY OF LEAD AND TWO FLANGES PREDOMINANTLY OF SOLDER, WITH THERMAL INTERDIFFUSION BETWEEN THE SOLDER FROM SAID STRIPS AND THE LEAD FROM SAID BILLET, FASHIONING SAID CHANNEL-SHAPED STRIP INTO AN ENDLESS BAND COEXTENSIVE WITH SAID DEPOSITS, AND SPACEDLY INTERCONNECTING SAID SHEETS BY FUSING SAID BAND ONTO SAID DEPOSITS BY SAID FLANGES.
Claim 2
Independent Claim
120 words
A METHOD OF MAKING A HEAT-INSULATING GLASS PANE FROM TWO GLASS SHEETS, COMPRISING THE STEPS OF FORMING CONTINUOUS METAL DEPOSITS OF CLOSED CONFIGURATION ALONG COEXTENSIVE PERIPHERAL ZONES OF CONFRONTING FACES OF SAID SHEETS, APPLYING PREFORMED SOLDER STRIPS TO OPPOSITE LONGITUDINAL EDGES OF A LEAD BILLET, PASSING THE COMPOSITE LEAD BILLET AND SOLDER STRIPS THROUGH A HEATED EXTRUDER FOR TRANSFORMING SAID COMPOSITE INTO A UNITARY CHANNELSHAPED STRIP HAVING A WEB PREDOMINANTLY OF LEAD AND TWO FLANGES PREDOMINANTLY OF SOLDER, WITH THERMAL INTERDIFFUSION BETWEEN THE SOLDER FROM SAID STRIPS AND THE LEAD FROM SAID BILLET, FASHIONING SAID CHANNEL-SHAPED STRIP INTO AN ENDLESS BAND COEXTENSIVE WITH SAID DEPOSITS, AND SPACEDLY INTERCONNECTING SAID SHEETS BY FUSING SAID BAND ONTO SAID DEPOSITS BY SAID FLANGES.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |