US3500481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bath tub closure and track therefor
Assignee: Individual
•
Filing: 1967-01-19
•
Granted: 1970-03-17
•
Expires: 1987-01-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Mckwane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:14
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/70; E06B3/80; E06B3/805; A; A47; A47K; A47K3/00; A47K3/28; A47K3/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1785636A
Cited
US2092426A
Cited
US2095645A
Cited
US2197385A
Cited
US2747200A
Cited
US2885000A
Cited
US2897514A
Cited
US2897515A
Cited
US2911654A
Cited
US3037555A
Cited
US3205547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |