Patent US4189920A successfully refreshed from Google Patents.
US428703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring-bar puppet
Assignee: —
•
Filing: —
•
Granted: 1890-05-27
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Expires: 1907-05-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:38
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/10; B23B51/102; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T408/33; Y10T408/65; Y10T408/675; Y10T408/6757; Y10T82/00; Y10T82/25; Y10T82/2531
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) | 1893-05-26 | 1893-11-25 | 1894-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1897-05-26 | 1897-11-25 | 1898-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1901-05-27 | 1901-11-26 | 1902-05-28 | $7700.00 | Window Closed / Lapsed |