Patent US4971208A successfully refreshed from Google Patents.
US294639A
Expired / Lapsed
US
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Threaded casting
Assignee: —
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Filing: —
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Granted: 1884-03-04
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Expires: 1901-03-04
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:30
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B; B60; B60C; B60C9/00; B60C9/0007; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49444; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12451
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) | 1887-03-04 | 1887-09-03 | 1888-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-03-04 | 1891-09-03 | 1892-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-03-04 | 1895-09-03 | 1896-03-04 | $7700.00 | Window Closed / Lapsed |