US1478471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car refrigeration
Assignee: Individual
•
Filing: 1921-09-30
•
Granted: 1923-12-25
•
Expires: 1941-09-30
Abstract
No abstract record available.
Inventors
- 👤 Dowding John Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:33
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; Y; Y10; Y10S; Y10S261/00; Y10S261/27
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1926-12-24 | 1927-06-25 | 1927-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-12-24 | 1931-06-25 | 1931-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-12-24 | 1935-06-25 | 1935-12-25 | $7700.00 | Window Closed / Lapsed |