US2779579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor for high temperature furnaces
Assignee: Schwarzkopf Technologies Corp
•
Filing: 1954-07-26
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Granted: 1957-01-29
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Steinitz Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:54
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; F27B9/243; C; C04; C04B; C04B35/00; C04B35/515; C04B35/58; C04B35/58085; C04B35/58092; C04B35/622; C04B35/626; C04B35/63; C04B35/632; C04B35/636; C04B35/6365; F27D; F27D3/00; F27D3/12; F27D2003/121; Y; Y10; Y10S; Y10S198/00; Y10S198/957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1696822A
Cited
US1895072A
Cited
US2116399A
Cited
US2116400A
Cited
US2612443A
Cited
US2615701A
Cited
US2665474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |