Patent US3107196A successfully refreshed from Google Patents.
US3107196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treatment of glass and product
Assignee: Compagnie de Saint Gobain SA
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Filing: 1959-10-14
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Granted: 1963-10-15
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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 10:54
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.
References Cited (Backward Citations)
US1447702A
Cited
US1469383A
Cited
US2093040A
Cited
FR778338A
Cited
US2244715A
Cited
GB469994A
Cited
FR831122A
Cited
US2311846A
Cited
US2539159A
Cited
GB606756A
Cited
US2674067A
Cited
US2897632A
Cited
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 |