US3390644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated container
Assignee: Union Tank Car Co
•
Filing: 1965-10-04
•
Granted: 1968-07-02
•
Expires: 1985-10-04
Abstract
No abstract record available.
Inventors
- 👤 William B Krauskopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/02; B29C44/12; B29C44/18; B29C44/186; B61; B61D; B61D5/00; B61D5/04; B65; B65D; B65D90/00; B65D90/02; B65D90/06; F; F17; F17C; F17C3/00; F17C3/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/05; F17C2201/054; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |