Patent US973542A successfully refreshed from Google Patents.
US973542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring-head for lathes, milling-machines, and the like.
Assignee: Individual
•
Filing: 1910-04-14
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Granted: 1910-10-25
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Expires: 1930-04-14
Abstract
No abstract record available.
Inventors
- 👤 Adolph Muehlmatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/36; Y; Y10; Y10T; Y10T279/00; Y10T279/14; Y10T279/17; Y10T279/17863; Y10T279/17871; Y10T279/17881; Y10T409/00; Y10T409/30; Y10T409/309296
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) | 1913-10-24 | 1914-04-25 | 1914-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-10-24 | 1918-04-25 | 1918-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-10-24 | 1922-04-25 | 1922-10-25 | $7700.00 | Window Closed / Lapsed |