US2973186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-controlled system for transport containers
Assignee: Individual
•
Filing: 1956-08-20
•
Granted: 1961-02-28
•
Expires: 1976-08-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Hazard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:41
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/023; B; B61; B61D; B61D27/00; B61D27/0072; B61D27/0081
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2522285A
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US2671643A
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US2589031A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |