US2945938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heated liner for trough feeders
Assignee: Syntron Co
•
Filing: 1958-06-10
•
Granted: 1960-07-19
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Grove D Alvord
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:36
CPC Classifications
H; H05; H05B; H05B3/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2084468A
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US2179819A
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US2490111A
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US2540295A
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US2613306A
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US2574094A
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US2608634A
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US2675907A
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US2766705A
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US2713415A
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US2782289A
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US2819788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |