US3532524A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glazing compositions and process
Assignee: OI Glass Inc
•
Filing: 1966-10-06
•
Granted: 1970-10-06
•
Expires: 1986-10-06
Abstract
No abstract record available.
Inventors
- 👤 Richard W Petticrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:12
CPC Classifications
C; C03; C03C; C03C8/00; C03C8/02; C03C4/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1287584A
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FR80991E
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US3226342A
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US3384508A
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US3349275A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |