Patent US841601A successfully refreshed from Google Patents.
US841601A
Expired / Lapsed
US
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Pump-stroke regulator.
Assignee: Individual
•
Filing: 1906-07-09
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Granted: 1907-01-15
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Expires: 1926-07-09
Abstract
No abstract record available.
Inventors
- 👤 John C Summers
- 👤 Harry G Mast
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:31
CPC Classifications
F; F04; F04B; F04B47/00; F04B47/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
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) | 1910-01-14 | 1910-07-16 | 1911-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-01-14 | 1914-07-16 | 1915-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-01-14 | 1918-07-16 | 1919-01-15 | $7700.00 | Window Closed / Lapsed |