US3374078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for supporting and heating glass sheets on a gas bed
Assignee: PPG Industries Inc
•
Filing: 1964-12-24
•
Granted: 1968-03-19
•
Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Thomas G Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:14
CPC Classifications
C; C03; C03B; C03B29/00; C03B29/04; C03B29/06; C03B29/08; C03B29/12; B; B65; B65G; B65G51/00; B65G51/02; B65G51/03; C03B35/00; C03B35/14; C03B35/22; C03B35/24; C03B2225/00; C03B2225/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1622817A
Cited
US3300290A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-19 | 1971-09-18 | 1972-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-19 | 1975-09-18 | 1976-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-19 | 1979-09-18 | 1980-03-19 | $7700.00 | Window Closed / Lapsed |