US1688172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam fitting for journals of rotary steam cylinders or the like
Assignee: Beloit Iron Works Inc
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Filing: 1924-11-24
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Granted: 1928-10-16
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Expires: 1944-11-24
Abstract
No abstract record available.
Inventors
- 👤 Aldrich Alonzo
- 👤 Earl E Berry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:46
CPC Classifications
F; F16; F16L; F16L27/00; F16L27/08; F16L27/0804; F16L27/0808; F16L27/0812; F16L27/082; F16L39/00; F16L39/04; D; D21; D21F; D21F5/00; D21F5/02; D21F5/021
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) | 1931-10-16 | 1932-04-16 | 1932-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-10-16 | 1936-04-16 | 1936-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-10-16 | 1940-04-16 | 1940-10-16 | $7700.00 | Window Closed / Lapsed |