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US972928A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making long pipe-coils.
Assignee: PHILADELPHIA PIPE BENDING Co
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Filing: 1909-04-26
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Granted: 1910-10-18
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Expires: 1929-04-26
Abstract
No abstract record available.
Inventors
- 👤 Leopold C Schneider
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:43
CPC Classifications
B; B21; B21B; B21B15/00; B21B15/0085; Y; Y10; Y10T; Y10T29/00; Y10T29/51
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) | 1913-10-17 | 1914-04-18 | 1914-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-17 | 1918-04-18 | 1918-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-17 | 1922-04-18 | 1922-10-18 | $7700.00 | Window Closed / Lapsed |