Patent US873787A successfully refreshed from Google Patents.
US873787A
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US
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Boring and turning mill.
Assignee: General Electric Co
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Filing: 1903-06-27
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Granted: 1907-12-17
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Expires: 1923-06-27
Abstract
No abstract record available.
Inventors
- 👤 John Riddell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:42
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/02; B21; B21D; B21D28/00; B21D28/02; B21D28/12; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/519; Y10T408/00; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T82/00; Y10T82/18; Y10T82/25; Y10T82/2511
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) | 1910-12-16 | 1911-06-17 | 1911-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-12-16 | 1915-06-17 | 1915-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-12-16 | 1919-06-17 | 1919-12-17 | $7700.00 | Window Closed / Lapsed |