Patent US1027571A successfully refreshed from Google Patents.
US1027571A
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US
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Method of manufacture of tubular bodies, such as pipes, hollow masts, or the like.
Assignee: Individual
•
Filing: 1910-11-05
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Granted: 1912-05-28
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Expires: 1930-11-05
Abstract
No abstract record available.
Inventors
- 👤 Hans Siegwart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:18
CPC Classifications
B; B29; B29C; B29C70/00; B29C70/68; B29C70/86; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T156/1089
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) | 1915-05-28 | 1915-11-27 | 1916-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-28 | 1919-11-27 | 1920-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-28 | 1923-11-27 | 1924-05-28 | $7700.00 | Window Closed / Lapsed |