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Patent US957474A successfully refreshed from Google Patents.
US957474A
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US
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Pitman connection.
Assignee: PARKES MACHINE Co
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Filing: 1903-01-14
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Granted: 1910-05-10
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Expires: 1923-01-14
Abstract
No abstract record available.
Inventors
- 👤 William N Parkes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:11
CPC Classifications
F; F16; F16H; F16H21/00; F16H21/10; F16H21/44; Y; Y10; Y10T; Y10T292/00; Y10T292/45; Y10T403/00; Y10T403/32; Y10T403/32114; Y10T403/32196; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/21; Y10T74/2142; Y10T74/2151
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) | 1913-05-09 | 1913-11-08 | 1914-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-05-09 | 1917-11-08 | 1918-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-05-09 | 1921-11-08 | 1922-05-10 | $7700.00 | Window Closed / Lapsed |