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US2497622A
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Pipe bending apparatus with pivoted side shapers
Assignee: TAL S PRESTAL BENDER Inc
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Filing: 1947-01-16
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Granted: 1950-02-14
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Expires: 1967-01-16
Abstract
No abstract record available.
Inventors
- 👤 Henry A Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:19
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21D7/066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US174609A
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DE583954C
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US659111A
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US1865025A
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US2282542A
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US2246992A
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US2382266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |