US2832584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sinter treating apparatus and method
Assignee: Individual
•
Filing: 1955-03-08
•
Granted: 1958-04-29
•
Expires: 1975-03-08
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Plante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:00
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0206; F27D15/0213; F27D3/00; F27D2003/0001; F27D2003/0006; F27D2003/0009; F27D2003/0034; F27D2003/0038; F27D2003/0071
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1069191A
Cited
US987460A
Cited
FR661949A
Cited
DE523393C
Cited
US1896625A
Cited
DE595870C
Cited
US2213396A
Cited
US2247271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |