US3487532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank car
Assignee: Union Tank Car Co
•
Filing: 1967-08-01
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Granted: 1970-01-06
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Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Earl A Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:01
CPC Classifications
B; B21; B21D; B21D51/00; B61; B61D; B61D17/00; B61D17/04; B61D17/043; B61D17/045; B61D5/00; B61D5/06; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789; Y10T29/49794; Y10T29/49796; Y10T29/49826; Y10T29/49904
Claims Analysis
Total Claims: 0
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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) | 1973-01-05 | 1973-07-07 | 1974-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-05 | 1977-07-07 | 1978-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-05 | 1981-07-07 | 1982-01-06 | $7700.00 | Window Closed / Lapsed |