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Patent US3385686A successfully refreshed from Google Patents.
US3385686A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the working of pasty fusion products
Assignee: AGC Glass Europe SA
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Filing: 1964-10-08
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Granted: 1968-05-28
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Expires: 1984-10-08
Abstract
No abstract record available.
Inventors
- 👤 Plumat Emile
- 👤 Duperroy Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:02
CPC Classifications
C; C03; C03B; C03B5/00; C03B5/12; C03B5/16; C03B5/18; C03B5/193
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |