Patent US5635531A successfully refreshed from Google Patents.
Patent US1363792A successfully refreshed from Google Patents.
US1363792A
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Drainage-trap
Assignee: NICHOLAS AMBROSE
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Filing: 1919-11-26
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Granted: 1920-12-28
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Expires: 1939-11-26
Abstract
No abstract record available.
Inventors
- 👤 James A Johnston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:07
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/0401; E03F5/0405; E03F5/0406; E03F5/0407; E03F2005/0416; E03F2005/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4471; Y10T137/4478; Y10T137/4493
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) | 1923-12-28 | 1924-06-28 | 1924-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-12-28 | 1928-06-28 | 1928-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-12-28 | 1932-06-28 | 1932-12-28 | $7700.00 | Window Closed / Lapsed |