US3370552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railway carrier for automotive vehicles
Assignee: Paragon Bridge and Steel Co
•
Filing: 1966-02-03
•
Granted: 1968-02-27
•
Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Podesta Frank B De
- 👤 Gilbert T Innes
- 👤 Charles M Burt
- 👤 Donald E Kullgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:26
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/16; B61D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1174864A
Cited
US1676073A
Cited
US2494682A
Cited
US3063389A
Cited
US2872698A
Cited
US3203364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |