US738471A
Expired / Lapsed
US
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Turning and boring apparatus.
Assignee: WERKSTAETTE fur MASCHB VORMALS DUCOMMUN
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Filing: 1902-04-03
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Granted: 1903-09-08
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Expires: 1922-04-03
Abstract
No abstract record available.
Inventors
- 👤 Georges Nardin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:23
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/08; B23B3/10; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5104; Y10T29/5109; Y10T29/5111; Y10T408/00; Y10T408/52; Y10T408/54; Y10T408/545; Y10T82/00; Y10T82/25; Y10T82/2511; 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) | 1906-09-07 | 1907-03-09 | 1907-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-09-07 | 1911-03-09 | 1911-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-09-07 | 1915-03-09 | 1915-09-08 | $7700.00 | Window Closed / Lapsed |