US2541616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feeding device
Assignee: STEEL PRODUCTS ENG CO
•
Filing: 1943-09-03
•
Granted: 1951-02-13
•
Expires: 1963-09-03
Abstract
No abstract record available.
Inventors
- 👤 John D Sasser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:02
CPC Classifications
F; F41; F41A; F41A9/00; F41A9/50; F41A9/51; F41A9/61; F41A9/79; F41A9/82; F41A9/86
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB449943A
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US2076186A
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US2117396A
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US2186478A
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US2314004A
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US2358319A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-12 | 1954-08-14 | 1955-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-12 | 1958-08-14 | 1959-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-12 | 1962-08-14 | 1963-02-13 | $7700.00 | Window Closed / Lapsed |