US3496579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bathtub construction with foot well
Assignee: PETERSEN ENG CO Inc
•
Filing: 1967-09-05
•
Granted: 1970-02-24
•
Expires: 1987-09-05
Abstract
No abstract record available.
Inventors
- 👤 Gerald A Petersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:39
CPC Classifications
A; A47; A47K; A47K3/00; A47K3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US128755A
Cited
US1315643A
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GB190225814A
Cited
US1546536A
Cited
US1962076A
Cited
US2030687A
Cited
US2081728A
Cited
US2163154A
Cited
US2566495A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |