Patent US294043A successfully refreshed from Google Patents.
Patent US345990A successfully refreshed from Google Patents.
US345990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Half to charles e
Assignee: —
•
Filing: —
•
Granted: 1886-07-20
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Expires: 1903-07-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:51
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/44; B23Q1/56; B23Q1/60; B23Q1/62; B23Q1/621
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) | 1889-07-19 | 1890-01-18 | 1890-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1893-07-19 | 1894-01-18 | 1894-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1897-07-19 | 1898-01-18 | 1898-07-20 | $7700.00 | Window Closed / Lapsed |