US2573337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated metal mold for blowing glass and method of preparing the same
Assignee: Corning Glass Works
•
Filing: 1948-02-16
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Granted: 1951-10-30
•
Expires: 1968-02-16
Abstract
No abstract record available.
Inventors
- 👤 Hyde James Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:14
CPC Classifications
C; C03; C03B; C03B40/00; C03B40/02; C03B9/00; C03B9/30; C03B9/48; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A METAL MOLD FOR BLOWING GLASS HAVING ON ITS GLASS-CONTACTING SURFACE AND ADHERENT COATING COMPRISING A HEAT-CURED SILOXANE COMPOSED OF SILSESQUIOXANE UNITS COMPRISING AT LEAST ONE THE SILSESQUIOXANE UNITS COMPRISING AT LEAST ONE OF THE GROUP CONSISTING OF CH3SIO3/2$ AND C6H5SIO3/2$ AND THE DIORGANO SILOXANE UNITS BEING SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
53 words
A METAL MOLD FOR BLOWING GLASS HAVING ON ITS GLASS-CONTACTING SURFACE AND ADHERENT COATING COMPRISING A HEAT-CURED SILOXANE COMPOSED OF SILSESQUIOXANE UNITS COMPRISING AT LEAST ONE THE SILSESQUIOXANE UNITS COMPRISING AT LEAST ONE OF THE GROUP CONSISTING OF CH3SIO3/2$ AND C6H5SIO3/2$ AND THE DIORGANO SILOXANE UNITS BEING SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |