US3510393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow glass article
Assignee: PPG Industries Inc
•
Filing: 1967-02-27
•
Granted: 1970-05-05
•
Expires: 1987-02-27
Abstract
No abstract record available.
Inventors
- 👤 Jerome A Burgman
- 👤 Lester L Margason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:20
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/08; C03B37/083; C03B37/01; C03B37/02; C03B37/022; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2975; Y10T428/298
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313296A
Cited
US2484003A
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US2915806A
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US3177058A
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US3257183A
Cited
US2965925A
Cited
US3121254A
Cited
US3066365A
Cited
US3282667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |