US3033129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Systems of freight transportation
Assignee: General American Transportation Corp
•
Filing: 1958-07-10
•
Granted: 1962-05-08
•
Expires: 1978-07-10
Abstract
No abstract record available.
Inventors
- 👤 Grandpre Etienne De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:51
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/16; B61D3/18; B61D3/182; B61D3/184; B60; B60F; B60F1/00; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B61D3/187; B61D3/188
Claims Analysis
Total Claims: 0
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |