Patent US3671029A successfully refreshed from Google Patents.
US472913A
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US
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Assignee: —
•
Filing: —
•
Granted: 1892-04-12
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Expires: 1909-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:57
CPC Classifications
F; F16; F16B; F16B15/00; F16B15/02; Y; Y10; Y10S; Y10S411/00; Y10S411/923
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) | 1895-04-12 | 1895-10-12 | 1896-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-04-12 | 1899-10-12 | 1900-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-04-13 | 1903-10-13 | 1904-04-13 | $7700.00 | Window Closed / Lapsed |