US1547855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water purifier and cooler
Assignee: G J WIGGENHORN
•
Filing: 1921-04-23
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Granted: 1925-07-28
•
Expires: 1941-04-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Burson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:55
CPC Classifications
B; B01; B01D; B01D24/00; B01D24/02; B01D24/10; B01D24/12; C; C02; C02F; C02F1/00; C02F1/001; C02F1/003; B01D2201/00; B01D2201/02; B01D27/00; B01D27/02; C02F2307/00; C02F2307/10
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) | 1928-07-27 | 1929-01-26 | 1929-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-27 | 1933-01-26 | 1933-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-27 | 1937-01-26 | 1937-07-28 | $7700.00 | Window Closed / Lapsed |