Patent US3535715A successfully refreshed from Google Patents.
US3535715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lavatory unit
Assignee: Bradley Washfountain Co
•
Filing: 1967-11-20
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Granted: 1970-10-27
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Expires: 1987-11-20
Abstract
No abstract record available.
Inventors
- 👤 Robert J Booker
- 👤 Frank Hessler
- 👤 Allen L Perkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:49
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/02; E03C1/05; E03C1/052
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB683174A
Cited
US192807A
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US1729189A
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US1836766A
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US1016382A
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US1490677A
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US1780968A
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US2192383A
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US2293544A
Cited
US2498699A
Cited
US2836080A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |