US1643273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fishpond with sewage supply
Assignee: Individual
•
Filing: 1924-08-25
•
Granted: 1927-09-20
•
Expires: 1944-08-25
Abstract
No abstract record available.
Inventors
- 👤 Imhoff Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:45
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/32; C02F3/327; A; A01; A01K; A01K61/00; A01K63/00; A01K63/04; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y02A40/81; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/926
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) | 1930-09-19 | 1931-03-21 | 1931-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1934-09-19 | 1935-03-21 | 1935-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1938-09-19 | 1939-03-21 | 1939-09-20 | $7700.00 | Window Closed / Lapsed |