Patent US3010858A successfully refreshed from Google Patents.
Patent US2877860A successfully refreshed from Google Patents.
Patent US2830612A successfully refreshed from Google Patents.
US2830612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-condensation device for flush tanks
Assignee: Individual
•
Filing: 1950-04-13
•
Granted: 1958-04-15
•
Expires: 1970-04-13
Abstract
No abstract record available.
Inventors
- 👤 Chester G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:45
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/006; Y; Y10; Y10T; Y10T137/00; Y10T137/6416; Y10T137/6497
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1698342A
Cited
US828138A
Cited
US843080A
Cited
US1247374A
Cited
US1289383A
Cited
US1223976A
Cited
US1435883A
Cited
US1635745A
Cited
US1989248A
Cited
US2074883A
Cited
US2096125A
Cited
US2465866A
Cited
US2424163A
Cited
US2494044A
Cited
US2581855A
Cited
US2592380A
Cited
US2659898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |