US2887855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-freeze machine
Assignee: Individual
•
Filing: 1956-05-07
•
Granted: 1959-05-26
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 Robert T Glass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:17
CPC Classifications
A; A23; A23G; A23G9/00; A23G9/04; A23G9/22; A23G9/26; A23B; A23B2/00; A23B2/80; A23B2/803; A23B2/8033; A23G7/00; A23G7/02; B; B65; B65G; B65G21/00; B65G21/16; B65G21/18; B65G23/00; B65G23/44; F; F25; F25D; F25D13/00; F25D13/06; F25D13/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955669A
Cited
US2677943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |