US2613509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating apparatus
Assignee: American Motors Corp
•
Filing: 1948-09-22
•
Granted: 1952-10-14
•
Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Philipp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:48
CPC Classifications
F; F25; F25D; F25D23/00; F25D23/08; F25D23/082; F25D23/085; F25D11/00; F25D11/02; F25D11/025; F25D2400/00; F25D2400/04; Y; Y10; Y10S; Y10S62/00; Y10S62/13
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |