US3447336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigeration arrangement
Assignee: Pullman Standard Inc
•
Filing: 1967-09-22
•
Granted: 1969-06-03
•
Expires: 1987-09-22
Abstract
No abstract record available.
Inventors
- 👤 Harold E Gramse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:30
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081; F; F25; F25D; F25D3/00; F25D3/10; F25D3/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3255597A
Cited
US3385073A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |