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US3021643A
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Glass-metal uniting apparatus
Assignee: Corning Glass Works
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Filing: 1959-05-29
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Granted: 1962-02-20
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Expires: 1979-05-29
Abstract
No abstract record available.
Inventors
- 👤 Wendell S Blanding
- 👤 Laurence H Foster
- 👤 Paul F Spremulli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:32
CPC Classifications
C; C03; C03C; C03C27/00; C03C27/02; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/26; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0041; H01J2893/0043; Y; Y10; Y10S; Y10S269/00; Y10S269/908
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2637942A
Cited
US2637943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |