Patent US968327A successfully refreshed from Google Patents.
US166337A
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Improvement in dies for smoothing and shaping soldered tubes
Assignee: —
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Filing: —
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Granted: 1875-08-03
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Expires: 1892-08-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:34
CPC Classifications
B; B21; B21C; B21C37/00; B21C37/06; B21C37/08; B21C37/0807; B21C37/0811; B23; B23D; B23D79/00; B23D79/02; B23D79/021; B23D79/12; Y; Y10; Y10S; Y10S83/00; Y10S83/914; Y10T; Y10T409/00; Y10T409/50; Y10T409/501476; Y10T409/50164; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9447
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) | 1878-08-02 | 1879-02-01 | 1879-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1882-08-02 | 1883-02-01 | 1883-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1886-08-02 | 1887-02-01 | 1887-08-03 | $7700.00 | Window Closed / Lapsed |