US2984473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Furnace conveyor rolls and the like
Assignee: Blaw Knox Co
•
Filing: 1958-07-14
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Granted: 1961-05-16
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Martin N Ornitz
- 👤 Ray H English
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:46
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/02; F27D3/026; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12618; Y10T428/12771; Y10T428/12778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1578254A
Cited
US1861489A
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US2151048A
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US2695248A
Cited
US2624097A
Cited
US2848349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |