US3409423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacture of flat glass
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1964-04-14
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Granted: 1968-11-05
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Expires: 1984-04-14
Abstract
No abstract record available.
Inventors
- 👤 Lajarte Stephane Dufaure De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:25
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/04; C03B18/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
69 words
APPARATUS FOR THE PRODUCTION OF SHEETS OF GLASS COMPRISING TANK MEANS, A FLOTATION LIQUID IN SAID TANK MEANS, MEANS FOR SUPPLYING MELTED GLASS TO THE SURFACE OF SAID LIQUID, AND MEANS FOR DIRECTING THE FLOW OF SAID GLASS TO FORM A SHEET OF GLASS ON THE SURFACE OF SAID LIQUID, SAID LAST-NAMED MEANS COMPRISING PARALLEL ROWS OF ROLLERS ENGAGEABLE WITH END CONFINING BETWEEN THEM THE DEGES OF SAID SHEET.
Claim 2
Dependent Claim
69 words
APPARATUS FOR THE PRODUCTION OF SHEETS OF GLASS COMPRISING TANK MEANS, A FLOTATION LIQUID IN SAID TANK MEANS, MEANS FOR SUPPLYING MELTED GLASS TO THE SURFACE OF SAID LIQUID, AND MEANS FOR DIRECTING THE FLOW OF SAID GLASS TO FORM A SHEET OF GLASS ON THE SURFACE OF SAID LIQUID, SAID LAST-NAMED MEANS COMPRISING PARALLEL ROWS OF ROLLERS ENGAGEABLE WITH END CONFINING BETWEEN THEM THE DEGES OF SAID SHEET.
Claim 3
Dependent Claim
16 words
THE PROCESS OF MANUFACTURING SHEET GLASS IN RIBBON FORM, COMPRISING, DEPOSITING MOLTEN GLASS ONTO A BATH
Claim 4
Dependent Claim
16 words
THE PROCESS OF MANUFACTURING SHEET GLASS IN RIBBON FORM, COMPRISING, DEPOSITING MOLTEN GLASS ONTO A BATH
References Cited (Backward Citations)
US2298348A
Cited
US3222154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |