US3594147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float bath tank construction and method of making the same
Assignee: PPG Industries Inc
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Filing: 1967-12-01
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Granted: 1971-07-20
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Expires: 1987-12-01
Abstract
Abstract A FLOAT BATH TANK HAS A PLURALITY OF REFRACTORY LINING BLOCKS CAST IN SITU ON THE BOTTOM OF THE TANK AROUND METAL STUDS WHICH ARE AFFIXED TO THE CASING OF THE TANK.
Inventors
- 👤 William F Galey
- 👤 John E Sensi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:58
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/16; C03B5/42; C03B5/43; C03B18/00; C03B18/02; C03B18/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |