Patent US2811119A successfully refreshed from Google Patents.
US2811119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety means for refrigerators, etc.
Assignee: Individual
•
Filing: 1954-11-08
•
Granted: 1957-10-29
•
Expires: 1974-11-08
Abstract
No abstract record available.
Inventors
- 👤 William S Ferdon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:40
CPC Classifications
F; F25; F25D; F25D29/00; F25D29/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US511455A
Cited
US679847A
Cited
US725552A
Cited
US911176A
Cited
US1271363A
Cited
US1547999A
Cited
US1555625A
Cited
US2259389A
Cited
US2585919A
Cited
US2639957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |