US3078693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing filmed bent glass sheets
Assignee: PPG Industries Inc
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Filing: 1959-12-30
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Granted: 1963-02-26
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 William O Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:18
CPC Classifications
C; C03; C03B; C03B27/00; C03B27/04; C03B27/044; C03B27/0442; C03B27/0417; C03C; C03C17/00; C03C17/001; C03C17/002; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/2481; Y10T428/24818; Y10T428/24851; Y10T428/24893; Y10T428/24901; Y10T428/24926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
APPARATUS FOR FORMING A BAND OF METAL OXIDE FILM HAVING A CURVED CUT-OFF LINE ON AN ELONGATED GLASS SHEET COMPRISING A HORIZONTALLY EXTENDING, TUNNEL-LIKE, HEATING FURNACE, A SKELETON MOLD FOR SUPPORTING A FLAT GLASS
Claim 2
Dependent Claim
39 words
APPARATUS AS IN CLAIM 4, FURTHER INCLUDING A TUNNELLIKE GLASS BENDING LEHR AND A TEMPERING STATION LOCATED SUCCESSIVELY BEYOND SAID SPRAYING STATION, WHEREIN SAID CONVEYOR TRAVERSES IN SUCCESSION SAID FURNACE, SAID SPRAYING STATION, SAID LEHR AND SAID TEMPERING STATION.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |