Patent US2560414A successfully refreshed from Google Patents.
US969997A
Expired / Lapsed
US
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Automatic cistern-cleaner.
Assignee: Individual
•
Filing: 1909-11-08
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Granted: 1910-09-13
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Expires: 1929-11-08
Abstract
No abstract record available.
Inventors
- 👤 Louis Thiem
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:37
CPC Classifications
E; E04; E04H; E04H4/00; E04H4/12; E04H4/1209; E04H4/1218; E04H4/1227; A; A01; A01K; A01K63/00; A01K63/003; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2829; Y10T137/2842; Y10T137/2877; Y10T137/8593; Y10T137/86348; Y10T137/86356
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) | 1913-09-12 | 1914-03-14 | 1914-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-09-12 | 1918-03-14 | 1918-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-09-12 | 1922-03-14 | 1922-09-13 | $7700.00 | Window Closed / Lapsed |