Patent US3485614A successfully refreshed from Google Patents.
US3485614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for reducing the thickness of float glass by differentiated cooling
Assignee: Pilkington North America Inc
•
Filing: 1967-05-23
•
Granted: 1969-12-23
•
Expires: 1987-05-23
Abstract
No abstract record available.
Inventors
- 👤 Bernard Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2911759A
Cited
US3251667A
Cited
US3183072A
Cited
US3301651A
Cited
US3266880A
Cited
US3316077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |