Patent US972787A successfully refreshed from Google Patents.
US298317A
Expired / Lapsed
US
⏱️ 0.0 years remaining
John a
Assignee: —
•
Filing: —
•
Granted: 1884-05-06
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Expires: 1901-05-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:37
CPC Classifications
F; F16; F16C; F16C35/00; F16C35/04; F16C35/06; F16C35/063; F16B; F16B21/00; F16B21/10; F16B21/16; F16B2200/00; F16B2200/40; F16B2200/406
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) | 1887-05-06 | 1887-11-05 | 1888-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-05-06 | 1891-11-05 | 1892-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-05-06 | 1895-11-05 | 1896-05-06 | $7700.00 | Window Closed / Lapsed |