US2259432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder and piston structure for pressure devices
Assignee: GEORGE E FAILING SUPPLY Co
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Filing: 1938-05-25
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Granted: 1941-10-14
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Expires: 1958-05-25
Abstract
No abstract record available.
Inventors
- 👤 George J C Failing
- 👤 Walter T Caldwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:49
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/26; F; F04; F04B; F04B53/00; F04B53/16; F04B53/162; F04B53/166; F16; F16J; F16J10/00; F16J10/02; F16J15/00; F16J15/16; F16J15/32
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) | 1944-10-13 | 1945-04-14 | 1945-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-10-13 | 1949-04-14 | 1949-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-10-13 | 1953-04-14 | 1953-10-14 | $7700.00 | Window Closed / Lapsed |