Patent US2550040A successfully refreshed from Google Patents.
US2550040A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selectively evacuated temperature regulated container
Assignee: Individual
•
Filing: 1946-08-08
•
Granted: 1951-04-24
•
Expires: 1966-08-08
Abstract
No abstract record available.
Inventors
- 👤 Clar Mottel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:22
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042; F25D23/00; F25D23/06; F25D23/062; F25D2201/00; F25D2201/10; F25D2201/14; F25D2317/00; F25D2317/04; F25D2317/043; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0847
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US450373A
Cited
US643358A
Cited
US877987A
Cited
US1054578A
Cited
US1088453A
Cited
US1253065A
Cited
US1475838A
Cited
US2000882A
Cited
US1873838A
Cited
US1948587A
Cited
US1848440A
Cited
US1859613A
Cited
US2102225A
Cited
US2000467A
Cited
US2071175A
Cited
US2147026A
Cited
US2345204A
Cited
US2425816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |