US2441292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drain spout for refrigerator cars
Assignee: Individual
•
Filing: 1944-10-11
•
Granted: 1948-05-11
•
Expires: 1964-10-11
Abstract
No abstract record available.
Inventors
- 👤 John A Schroeder
- 👤 Harry N Juel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:40
CPC Classifications
B; B61; B61D; B61D27/00; B61D27/0018; B61D27/0027; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6855; Y10T137/6866; Y10T137/6877; Y10T137/9464
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US468870A
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US808397A
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US968541A
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US1268566A
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US1460512A
Cited
US1566052A
Cited
US1646575A
Cited
USRE21147E
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-05-11 | 1951-11-10 | 1952-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-05-11 | 1955-11-10 | 1956-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-05-11 | 1959-11-10 | 1960-05-11 | $7700.00 | Window Closed / Lapsed |