US3194183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle hatch cover
Assignee: Union Tank Car Co
•
Filing: 1962-10-24
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Granted: 1965-07-13
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Expires: 1982-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick W Schwartz
- 👤 Earl A Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:39
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/18; B; B61; B61D; B61D39/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US886472A
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US975861A
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US974471A
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US1166052A
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US1594863A
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US1847132A
Cited
US2051984A
Cited
US2281498A
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US2447559A
Cited
US2587027A
Cited
US2851964A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |