Patent US2940639A successfully refreshed from Google Patents.
US2940639A
Expired / Lapsed
US
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Tubular feeding device
Assignee: Individual
•
Filing: 1956-11-19
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Granted: 1960-06-14
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Billy B Winter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
A; A01; A01K; A01K39/00; A01K39/01; A01K5/00; A01K5/02; A01K5/0258
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US735167A
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US1027453A
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US1444052A
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US2529457A
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US2534442A
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US2646023A
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US2610726A
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US2685863A
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US2785831A
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US2793615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |