US3428405A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleansing structure
Assignee: Individual
•
Filing: 1965-12-03
•
Granted: 1969-02-18
•
Expires: 1985-12-03
Abstract
No abstract record available.
Inventors
- 👤 Howard Larry Posner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:06
CPC Classifications
A; A47; A47L; A47L17/00; A47L17/04; A47L17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2899780A
Cited
US1987130A
Cited
US2083871A
Cited
US2574854A
Cited
US3066347A
Cited
US3261675A
Cited
US3177055A
Cited
US3080688A
Cited
US3175331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |