Patent US1496355A successfully refreshed from Google Patents.
Patent US1901200A successfully refreshed from Google Patents.
US1901200A
Expired / Lapsed
US
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Steam trap
Assignee: Clarcor Inc
•
Filing: 1932-03-16
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Granted: 1933-03-14
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Expires: 1952-03-16
Abstract
No abstract record available.
Inventors
- 👤 Leslie P Strong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:50
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/20; F16T1/30; F16T1/305; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3046
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) | 1936-03-13 | 1936-09-12 | 1937-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-13 | 1940-09-12 | 1941-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-13 | 1944-09-12 | 1945-03-14 | $7700.00 | Window Closed / Lapsed |