Patent US473153A successfully refreshed from Google Patents.
US473153A
Expired / Lapsed
US
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Boring-machine
Assignee: —
•
Filing: —
•
Granted: 1892-04-19
•
Expires: 1909-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:45
CPC Classifications
B; B23; B23B; B23B39/00; B23B39/16; B23B39/20; B23B39/205; Y; Y10; Y10T; Y10T408/00; Y10T408/60; Y10T408/65; Y10T408/67; Y10T408/675; Y10T408/6786; Y10T408/91; Y10T408/93; Y10T408/935; Y10T74/00; Y10T74/17
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) | 1895-04-19 | 1895-10-19 | 1896-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-04-19 | 1899-10-19 | 1900-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-04-20 | 1903-10-20 | 1904-04-20 | $7700.00 | Window Closed / Lapsed |