US3204579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Railcar
Assignee: Fruehauf Corp
•
Filing: 1963-09-30
•
Granted: 1965-09-07
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Samuel P Burns
- 👤 Robert H Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:28
CPC Classifications
B; B61; B61D; B61D3/00; B61D3/04; B61D3/16; B61D3/18; B61D3/182; B61D3/184; B61D3/20; B61D45/00; B61D45/001; B61D45/004; B61D45/005; B61D45/008; B61D47/00; B61D47/005; B62; B62D; B62D25/00; B62D25/20; B62D25/2054
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3127142A
Cited
US1537162A
Cited
US3033129A
Cited
US2891490A
Cited
US2788751A
Cited
US2898872A
Cited
US2859710A
Cited
US2933052A
Cited
US2933053A
Cited
US3004500A
Cited
US3075479A
Cited
US3041028A
Cited
US3102497A
Cited
US3129672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |