US1607257A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical toilet
Assignee: WESTERN METAL SPECIALTY CO
•
Filing: 1925-07-11
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Granted: 1926-11-16
•
Expires: 1945-07-11
Abstract
No abstract record available.
Inventors
- 👤 William H Gaulke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:53
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/02; A47K11/03; A47K11/035; Y; Y02; Y02A; Y02A50/00; Y02A50/30
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) | 1929-11-15 | 1930-05-17 | 1930-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-11-15 | 1934-05-17 | 1934-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-11-15 | 1938-05-17 | 1938-11-16 | $7700.00 | Window Closed / Lapsed |