US3410674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing seals
Assignee: Corning Glass Works
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Filing: 1964-10-27
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Granted: 1968-11-12
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Expires: 1984-10-27
Abstract
No abstract record available.
Inventors
- 👤 Francis W Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:21
CPC Classifications
C; C04; C04B; C04B37/00; C04B37/04; C04B37/042; C03; C03C; C03C10/00; C03C10/0054; C03C27/00; C03C8/00; C03C8/24; C03C8/245; C04B35/00; C04B35/622; C04B35/64; C04B35/645; C04B35/653; C04B37/003; C04B37/005; C04B37/02; C04B37/023; C04B37/025; C04B37/045; H; H01; H01J; H01J5/00; H01J5/20; C04B2235/00; C04B2235/65; C04B2235/656; C04B2235/6567; C04B2237/00; C04B2237/30; C04B2237/32; C04B2237/34; C04B2237/343; C04B2237/40; C04B2237/402; C04B2237/403; C04B2237/405; C04B2237/406; C04B2237/407; C04B2237/408; C04B2237/50; C04B2237/74; H01J2893/00; H01J2893/0033; H01J2893/0037
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2889952A
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US3011673A
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US3061664A
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US3269818A
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US3208892A
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US3110619A
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US3346357A
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US3295944A
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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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |