US3479172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for controlling glass temperatures
Assignee: Pilkington North America Inc
•
Filing: 1966-08-22
•
Granted: 1969-11-18
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 William E Mccown
- 👤 Robert E Maltby Jr
- 👤 Carey M Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
C; C03; C03B; C03B25/00; C03B25/04; C03B25/06; C03B25/08; G; G01; G01J; G01J5/00; G01J5/0022; G01J5/02; G01J5/04; G01J5/041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1657797A
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US1866366A
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US1880536A
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US1802991A
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US2079566A
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US2774190A
Cited
US3010657A
Cited
US3304615A
Cited
US3393868A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |