US2645000A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tool for finishing tube ends
Assignee: Jones and Laughlin Steel Corp
•
Filing: 1950-01-06
•
Granted: 1953-07-14
•
Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Harry J Finch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/005; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5178; Y10T407/00; Y10T407/13; Y10T407/134; Y10T407/22; Y10T407/2202; Y10T407/2204; Y10T407/2222; Y10T407/2238; Y10T407/224; Y10T407/2242; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US909182A
Cited
US1458363A
Cited
US1689710A
Cited
US2269168A
Cited
US2262178A
Cited
US2367555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |