US481737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-holder for boring-machines
Assignee: —
•
Filing: —
•
Granted: 1892-08-30
•
Expires: 1909-08-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:47
CPC Classifications
B; B25; B25B; B25B1/00; B25B1/22; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/50; B23Q1/54; B23Q1/5406; B23Q1/5412
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) | 1895-08-30 | 1896-02-29 | 1896-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-08-30 | 1900-03-01 | 1900-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-08-31 | 1904-03-01 | 1904-08-31 | $7700.00 | Window Closed / Lapsed |