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Patent US2740455A successfully refreshed from Google Patents.
US2740455A
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Apparatus for making short radius elbows
Assignee: NORTHERN INDIANA BRASS CO
•
Filing: 1952-12-08
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Granted: 1956-04-03
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Expires: 1972-12-08
Abstract
No abstract record available.
Inventors
- 👤 Walter L Veatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:19
CPC Classifications
B; B21; B21D; B21D9/00; B21D9/12; B21D9/125; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1370074A
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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) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |