Patent US2081860A successfully refreshed from Google Patents.
US2081860A
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Pumping system
Assignee: PELTON WATER WHEEL Co
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Filing: 1933-11-15
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Granted: 1937-05-25
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Expires: 1953-11-15
Abstract
No abstract record available.
Inventors
- 👤 Ray S Quick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:08
CPC Classifications
F; F04; F04D; F04D15/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2582; Y10T137/2584; Y10T137/3367; Y10T137/3421; Y10T137/7722; Y10T137/7758; Y10T137/7762; Y10T137/7769; Y10T137/8593; Y10T137/85978; Y10T137/86035; Y10T137/86043; Y10T137/87917
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) | 1940-05-24 | 1940-11-23 | 1941-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-05-24 | 1944-11-23 | 1945-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-05-24 | 1948-11-23 | 1949-05-25 | $7700.00 | Window Closed / Lapsed |