US953253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making curved wrought-metal pipe-fittings.
Assignee: WHITLOCK COIL PIPE Co
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Filing: 1906-01-12
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Granted: 1910-03-29
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Expires: 1926-01-12
Abstract
No abstract record available.
Inventors
- 👤 Louis H Brinkman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:21
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/06; B21C; B21C37/00; B21C37/06; B21C37/15; B21C37/28; B21C37/283; B21D7/02; B21D7/022; B21D7/16; B21K; B21K21/00; B21K21/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444
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) | 1913-03-28 | 1913-09-27 | 1914-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-03-28 | 1917-09-27 | 1918-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-03-28 | 1921-09-27 | 1922-03-29 | $7700.00 | Window Closed / Lapsed |