US2675050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for flaring the endportions of tubes
Assignee: Akzo Nobel UK PLC
•
Filing: 1951-11-16
•
Granted: 1954-04-13
•
Expires: 1971-11-16
Abstract
No abstract record available.
Inventors
- 👤 Downing George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:02
CPC Classifications
B; B21; B21D; B21D19/00; B21D19/08; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30868; Y10T409/309016
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |