US3000142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing flat glass
Assignee: GLACES DE BOUSSOIS SOC D
•
Filing: 1959-02-16
•
Granted: 1961-09-19
•
Expires: 1979-02-16
Abstract
No abstract record available.
Inventors
- 👤 Long Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:15
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B15/04; C03B5/00; C03B5/16; C03B5/18; C03B5/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1586619A
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US1489875A
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US1554269A
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US1759235A
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US2173345A
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US2043029A
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US2226701A
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |