US673709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe.
Assignee: NORTHERN ELECTRICAL MANUFACTURING Co
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Filing: 1900-08-10
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Granted: 1901-05-07
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Expires: 1920-08-10
Abstract
No abstract record available.
Inventors
- 👤 Frederick B Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:03
CPC Classifications
B; B23; B23Q; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/142; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19442; Y10T74/19451; Y10T74/19456; Y10T82/00; Y10T82/25; Y10T82/2552; Y10T82/2554
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) | 1904-05-06 | 1904-11-05 | 1905-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-05-06 | 1908-11-05 | 1909-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-05-06 | 1912-11-05 | 1913-05-07 | $7700.00 | Window Closed / Lapsed |