Patent US2763735A successfully refreshed from Google Patents.
US448573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thomas g
Assignee: —
•
Filing: —
•
Granted: 1891-03-17
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Expires: 1908-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; F; F16; F16H; F16H21/00; F16H21/10; F16H21/44; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056; Y10T403/7058; Y10T74/00; Y10T74/18; Y10T74/18888; Y10T74/1892
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) | 1894-03-16 | 1894-09-15 | 1895-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1898-03-16 | 1898-09-15 | 1899-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1902-03-17 | 1902-09-16 | 1903-03-18 | $7700.00 | Window Closed / Lapsed |