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US719028A
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Steam-trap.
Assignee: Individual
•
Filing: 1901-12-06
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Granted: 1903-01-27
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Expires: 1921-12-06
Abstract
No abstract record available.
Inventors
- 👤 Isaac Shimwell Mcdougall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:32
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/0027; B01D46/003; B01D46/0031; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3068; Y10T137/7287; Y10T137/7313; Y10T137/7323
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) | 1906-01-26 | 1906-07-28 | 1907-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-01-26 | 1910-07-28 | 1911-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-01-26 | 1914-07-28 | 1915-01-27 | $7700.00 | Window Closed / Lapsed |