Patent US5573968A successfully refreshed from Google Patents.
Patent US3363425A successfully refreshed from Google Patents.
US3363425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration system for vehicle powered by liquified petroleum gas
Assignee: Individual
•
Filing: 1966-04-06
•
Granted: 1968-01-16
•
Expires: 1986-04-06
Abstract
No abstract record available.
Inventors
- 👤 Robert H Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:45
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/10; F25D3/105; F17; F17C; F17C7/00; F17C7/02; F17C7/04; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/035; F17C2221/038; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135; F17C2227/015; F17C2227/03; F17C2227/0337; F17C2270/00; F17C2270/01; F17C2270/0165; F17C2270/0168
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |