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Patent US3539324A successfully refreshed from Google Patents.
US3539324A
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US
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Apparatus for continuously drawing a glass sheet upwardly with sensing means
Assignee: AGC Inc
•
Filing: 1967-02-02
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Granted: 1970-11-10
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Expires: 1987-02-02
Abstract
No abstract record available.
Inventors
- 👤 Takao Terakado
- 👤 Isao Kawada
- 👤 Naoyuki Kuroda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:46
CPC Classifications
C; C03; C03B; C03B15/00; C03B15/02; C03B15/04; G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/20; G01N27/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1514338A
Cited
US2645749A
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US2972210A
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US2932921A
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US3188192A
Cited
US3419374A
Cited
US3290179A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |