Patent US1359988A successfully refreshed from Google Patents.
US1359988A
Expired / Lapsed
US
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Drainage and relief valve
Assignee: Individual
•
Filing: 1919-11-20
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Granted: 1920-11-23
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Expires: 1939-11-20
Abstract
No abstract record available.
Inventors
- 👤 Amandus P Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:21
CPC Classifications
F; F01; F01B; F01B25/00; F01B2250/00; F01B2250/004; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2562; Y10T137/7722; Y10T137/7837; Y10T137/7838; Y10T137/8593; Y10T137/87265; Y10T137/87555
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) | 1923-11-23 | 1924-05-24 | 1924-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-11-23 | 1928-05-24 | 1928-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-11-23 | 1932-05-24 | 1932-11-23 | $7700.00 | Window Closed / Lapsed |