Patent US3192363A successfully refreshed from Google Patents.
US2703558A
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Pressure return cylinder and piston unit
Assignee: MODERN PRODUCTS Inc
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Filing: 1951-08-30
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Granted: 1955-03-08
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Expires: 1971-08-30
Abstract
No abstract record available.
Inventors
- 👤 Warren N Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/002; F; F16; F16K; F16K15/00; F16K15/14; F16K15/141; F16K15/142; Y; Y10; Y10S; Y10S251/00; Y10S251/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1870927A
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US1846753A
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FR764509A
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US2451706A
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US2404547A
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US2548439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |