US2878486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary device
Assignee: Individual
•
Filing: 1956-01-19
•
Granted: 1959-03-24
•
Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 David E Bartlett
- 👤 Marjorie H Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:55
CPC Classifications
A; A61; A61F; A61F5/00; A61F5/44; A61F5/451; A61F5/455; A61F5/4556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734198A
Cited
US1407872A
Cited
US2002215A
Cited
US2341056A
Cited
US2567706A
Cited
US2507843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |