US2741287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cover for flush tank
Assignee: Individual
•
Filing: 1953-03-09
•
Granted: 1956-04-10
•
Expires: 1973-03-09
Abstract
No abstract record available.
Inventors
- 👤 Myrtle L Michaud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:38
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/01; Y; Y10; Y10S; Y10S4/00; Y10S4/901; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US663306A
Cited
US2035384A
Cited
US2490250A
Cited
US2652874A
Cited
US2637360A
Cited
US2652875A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |