US3539320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for manufacturing float glass of reduced thickness
Assignee: AGC Glass Europe SA
•
Filing: 1966-12-20
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Granted: 1970-11-10
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Expires: 1986-12-20
Abstract
No abstract record available.
Inventors
- 👤 Dmile Plumat
- 👤 Marcel Delzant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:07
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/18; A; A61; A61K; A61K9/00; A61K9/48; C03B18/20; C03B18/22; E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2305; E06B7/2307; E06B7/231
Claims Analysis
Total Claims: 0
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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) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |