US2916276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atmosphere furnace conveyor
Assignee: Surface Combustion Corp
•
Filing: 1956-12-27
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Granted: 1959-12-08
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Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Cone Carroll
- 👤 Donald C Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:50
CPC Classifications
F; F27; F27B; F27B9/00; F27B9/14; F27B9/20; F27B9/24; C; C21; C21D; C21D1/00; C21D1/74; F27B7/00; F27B9/04; F27B9/045; F27B9/201; F27B9/202; F27B9/205; F27B9/26; F27B2009/2484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2620918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |