US2997860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ice making and refrigerating systems
Assignee: Individual
•
Filing: 1956-09-07
•
Granted: 1961-08-29
•
Expires: 1976-09-07
Abstract
No abstract record available.
Inventors
- 👤 Muffly Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:36
CPC Classifications
F; F25; F25C; F25C1/00; F25C1/12; F25C5/00; F25C5/20; F25C5/24; F25C2400/00; F25C2400/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1147754A
Cited
US1873138A
Cited
US2077820A
Cited
US2176988A
Cited
US2292568A
Cited
US2449132A
Cited
US2524815A
Cited
US2443203A
Cited
US2627874A
Cited
US2590215A
Cited
US2526262A
Cited
US2604246A
Cited
US2583294A
Cited
US2692707A
Cited
US2681751A
Cited
US2716575A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-28 | 1965-02-27 | 1965-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-28 | 1969-02-27 | 1969-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-28 | 1973-02-27 | 1973-08-29 | $7700.00 | Window Closed / Lapsed |