Patent US2946156A successfully refreshed from Google Patents.
US2946156A
Expired / Lapsed
US
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Manufacture of a windowed article
Assignee: Corning Glass Works
•
Filing: 1956-08-30
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Granted: 1960-07-26
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 William D Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:05
CPC Classifications
C; C03; C03B; C03B11/00; F; F16; F16L; F16L55/00; G; G01; G01F; G01F23/00; G01F23/02; G01P; G01P13/00; G01P13/008
Claims Analysis
Total Claims: 0
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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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |