US2127649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam trap
Assignee: Yarnall Waring Co
•
Filing: 1934-03-17
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Granted: 1938-08-23
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Expires: 1954-03-17
Abstract
No abstract record available.
Inventors
- 👤 John F Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:35
CPC Classifications
F; F16; F16T; F16T1/00; F16T1/34; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/4238; Y10T137/4245; Y10T137/4273; Y10T137/4336; Y10T137/4343; Y10T137/7722; Y10T137/7737; Y10T137/7758; Y10T137/7762; Y10T137/7764; Y10T137/7781
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) | 1941-08-22 | 1942-02-21 | 1942-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-08-22 | 1946-02-21 | 1946-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-08-22 | 1950-02-21 | 1950-08-23 | $7700.00 | Window Closed / Lapsed |