US2532250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube flaring machine with a plurality of aligned work holders and dies
Assignee: Individual
•
Filing: 1947-10-03
•
Granted: 1950-11-28
•
Expires: 1967-10-03
Abstract
No abstract record available.
Inventors
- 👤 Watts Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
B; B21; B21D; B21D41/00; B21D41/02; B21D41/021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US698171A
Cited
US1350904A
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US1372197A
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US1724697A
Cited
US1935714A
Cited
US1914235A
Cited
US2071314A
Cited
US2176188A
Cited
US2211242A
Cited
US2350998A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |