Patent US2268543A successfully refreshed from Google Patents.
US2268543A
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Method of assembling fluid operated pumps
Assignee: ROKO Corp
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Filing: 1938-01-24
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Granted: 1942-01-06
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Expires: 1958-01-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence J Coberly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:36
CPC Classifications
B; B23; B23P; B23P19/00; F; F04; F04B; F04B47/00; F04B47/02; F04B47/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49236; Y10T29/4927; Y10T29/49272; Y10T29/49826; Y10T29/49863; Y10T29/49865
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) | 1945-01-05 | 1945-07-07 | 1946-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-01-05 | 1949-07-07 | 1950-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-01-05 | 1953-07-07 | 1954-01-06 | $7700.00 | Window Closed / Lapsed |