Patent CA449429A successfully refreshed from Google Patents.
Patent US1679190A successfully refreshed from Google Patents.
US1679190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waste trap
Assignee: Individual
•
Filing: 1926-09-16
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Granted: 1928-07-31
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Expires: 1946-09-16
Abstract
No abstract record available.
Inventors
- 👤 Robert G Westbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:13
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/28; E03C1/29; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4516; Y10T137/4538; Y10T137/4576; Y10T137/4591; Y10T137/4598
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) | 1931-07-31 | 1932-01-30 | 1932-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-07-31 | 1936-01-30 | 1936-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-07-31 | 1940-01-30 | 1940-07-31 | $7700.00 | Window Closed / Lapsed |