US3035323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating kiln car end seal
Assignee: Vibrantz Corp
•
Filing: 1960-03-11
•
Granted: 1962-05-22
•
Expires: 1980-03-11
Abstract
No abstract record available.
Inventors
- 👤 James T Robson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
F; F27; F27D; F27D99/00; F27D99/0073; F27D99/0076; F27D3/00; F27D3/12; F27D3/123
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1321388A
Cited
US2899189A
Cited
US2041176A
Cited
US2107762A
Cited
US2662053A
Cited
GB812822A
Cited
US2839283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |