US783716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bending pipe.
Assignee: WHITLOCK COIL PIPE Co
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Filing: 1904-05-16
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Granted: 1905-02-28
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Expires: 1924-05-16
Abstract
No abstract record available.
Inventors
- 👤 Louis H Brinkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:18
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/024; B21D7/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1908-02-28 | 1908-08-29 | 1909-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-02-28 | 1912-08-29 | 1913-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-02-28 | 1916-08-29 | 1917-02-28 | $7700.00 | Window Closed / Lapsed |