US3107196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of glass and product
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1959-10-14
•
Granted: 1963-10-15
•
Expires: 1979-10-14
Abstract
No abstract record available.
Inventors
- 👤 Acloque Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:40
CPC Classifications
C; C03; C03B; C03B27/00; C03B25/00; C03B25/02; C03B25/04; C03B27/012; C03B29/00; C03B29/04; C03B29/06; C03B29/08; C03B33/00; C03B33/09; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/31; Y10T428/315
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A GLASS ARTICLE IN WHICH THE CROSS SECTIONAL STRESS CURVE PRESENTS TWO MAXIMA OF COMPRESSION OCCURRING INSIDE THE SURFACES OF THE GLASS.
Claim 2
Dependent Claim
22 words
A GLASS ARTICLE IN WHICH THE CROSS SECTIONAL STRESS CURVE PRESENTS TWO MAXIMA OF COMPRESSION OCCURRING INSIDE THE SURFACES OF THE GLASS.
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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) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |