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Patent US2848138A successfully refreshed from Google Patents.
US2848138A
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Article feeding apparatus
Assignee: Keyes Fibre Corp
•
Filing: 1952-02-19
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Granted: 1958-08-19
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Expires: 1972-02-19
Abstract
No abstract record available.
Inventors
- 👤 Benson E Caswell
- 👤 Martin M Theriault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:37
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/42; B65B43/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US861184A
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US945870A
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US1344692A
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US1460314A
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US1658724A
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US1767634A
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US1913843A
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US2289325A
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US2419351A
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US2624647A
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US2611470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |