US2527744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tinning machine
Assignee: Tennessee Coal Iron and Railroad Co
•
Filing: 1946-09-12
•
Granted: 1950-10-31
•
Expires: 1966-09-12
Abstract
No abstract record available.
Inventors
- 👤 Guy W Lathem
- 👤 Howard C Rodgers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:25
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US843223A
Cited
US1659984A
Cited
US1933136A
Cited
US2227976A
Cited
US2338438A
Cited
US2317533A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |