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Patent US2550252A successfully refreshed from Google Patents.
US2550252A
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US
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Glass bending mold
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1942-12-07
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Granted: 1951-04-24
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Expires: 1962-12-07
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Jendrisak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:33
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/035; C03B23/0352; C03B23/0357; C03B23/025; C03B23/0252; Y; Y10; Y10S; Y10S425/00; Y10S425/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US760959A
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US991025A
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US2137115A
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US2261033A
Cited
GB510254A
Cited
US2372418A
Cited
US2213406A
Cited
US2348279A
Cited
US2317904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |