Patent US2494871A successfully refreshed from Google Patents.
US2494871A
Expired / Lapsed
US
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Apparatus for bending glass tubes
Assignee: General Electric Co
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Filing: 1944-04-27
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Granted: 1950-01-17
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Expires: 1964-04-27
Abstract
No abstract record available.
Inventors
- 👤 Greiner Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:13
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/04; C03B23/06; C03B23/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US735307A
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US1662428A
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US2080899A
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US2135775A
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US2177743A
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US2208958A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |