US2878009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sinter cooling machines
Assignee: Individual
•
Filing: 1954-06-25
•
Granted: 1959-03-17
•
Expires: 1974-06-25
Abstract
No abstract record available.
Inventors
- 👤 William M Bailey
- 👤 Thomas W Plante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:37
CPC Classifications
F; F27; F27D; F27D15/00; F27D15/02; F27D15/0206; F27D15/0266
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE513437A
Cited
US517067A
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US1308864A
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US1215636A
Cited
US1836176A
Cited
US1802960A
Cited
US2254232A
Cited
US2672412A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |