Patent US633430A successfully refreshed from Google Patents.
US633430A
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US
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Apparatus for forming tubular joints.
Assignee: Individual
•
Filing: 1896-10-29
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Granted: 1899-09-19
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Expires: 1916-10-29
Abstract
No abstract record available.
Inventors
- 👤 Charles Thomas Crowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:32
CPC Classifications
B; B25; B25B; B25B31/00; B25B31/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/49908; Y10T29/49936; Y10T29/49938; Y10T29/4994; Y10T29/53; Y10T29/53678; Y10T29/53796; Y10T29/5383
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) | 1902-09-19 | 1903-03-21 | 1903-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1906-09-19 | 1907-03-21 | 1907-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1910-09-19 | 1911-03-21 | 1911-09-20 | $7700.00 | Window Closed / Lapsed |