Patent US905648A successfully refreshed from Google Patents.
US905648A
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US
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Assignee: Individual
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Filing: 1906-12-10
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Granted: 1908-12-01
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Expires: 1926-12-10
Abstract
No abstract record available.
Inventors
- 👤 George N B Chamberlain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:55
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2591
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) | 1911-12-01 | 1912-06-01 | 1912-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-12-01 | 1916-06-01 | 1916-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-12-01 | 1920-06-01 | 1920-12-01 | $7700.00 | Window Closed / Lapsed |