Patent US2812619A successfully refreshed from Google Patents.
US2812619A
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US
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Glass feeder shears provided with charge turning mechanism
Assignee: Emhart Manufacturing Co
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Filing: 1954-04-05
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Granted: 1957-11-12
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Expires: 1974-04-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Wythe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:22
CPC Classifications
C; C03; C03B; C03B7/00; C03B7/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1999444A
Cited
US1926823A
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US2205868A
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US2179317A
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US2681530A
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US2678518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |