Patent FR2368951A2 successfully refreshed from Google Patents.
US3486876A
Expired / Lapsed
US
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Composite tweel for chamber utilized in the manufacture of float glass
Assignee: Ford Motor Co
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Filing: 1967-05-17
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Granted: 1969-12-30
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Expires: 1987-05-17
Abstract
No abstract record available.
Inventors
- 👤 Eugene H Augustin
- 👤 Robert J Greenler
- 👤 Robert N Kramer
- 👤 Walter R Schlehr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:41
CPC Classifications
C; C03; C03B; C03B18/00; C03B18/02; C03B18/04; C03B5/00; C03B5/16; C03B5/26; C03B5/265; C03B5/267
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1920692A
Cited
US2677003A
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US3137559A
Cited
US3183072A
Cited
US3351452A
Cited
US3445217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-29 | 1973-06-30 | 1973-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-29 | 1977-06-30 | 1977-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-29 | 1981-06-30 | 1981-12-30 | $7700.00 | Window Closed / Lapsed |