US3020528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toilet training apparatus
Assignee: Individual
•
Filing: 1959-04-20
•
Granted: 1962-02-06
•
Expires: 1979-04-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Caleb V Swanson
- 👤 Reinhold W Feldt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:17
CPC Classifications
A; A47; A47K; A47K11/00; A47K11/04; G; G09; G09B; G09B19/00; G09B19/0076; Y; Y10; Y10S; Y10S4/00; Y10S4/03; Y10S4/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |