Patent US2659898A successfully refreshed from Google Patents.
US2659898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for avoiding moisture condensation on toilet flush tanks
Assignee: Individual
•
Filing: 1949-01-03
•
Granted: 1953-11-24
•
Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Robert W Toye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:21
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/006; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/86823; Y10T137/877; Y10T137/87788; Y10T137/8782
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US841817A
Cited
US904307A
Cited
US988504A
Cited
US1183544A
Cited
US1612854A
Cited
US2110952A
Cited
US2412809A
Cited
US2465866A
Cited
US2527418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-23 | 1957-05-25 | 1957-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-23 | 1961-05-25 | 1961-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-23 | 1965-05-25 | 1965-11-24 | $7700.00 | Window Closed / Lapsed |