Patent US3464228A successfully refreshed from Google Patents.
US3464228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water keg icer
Assignee: CHARLES W HITCHCOCK
•
Filing: 1968-05-06
•
Granted: 1969-09-02
•
Expires: 1988-05-06
Abstract
No abstract record available.
Inventors
- 👤 Charles W Hitchcock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:18
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/08; F25C5/00; F25C5/02; F25C5/04; F25C5/08; F25C5/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US489387A
Cited
US1051296A
Cited
US1936770A
Cited
US1801693A
Cited
US2449127A
Cited
US2440397A
Cited
US2676468A
Cited
US3380261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |