US2113776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank closure
Assignee: Union Tank Car Co
•
Filing: 1935-07-27
•
Granted: 1938-04-12
•
Expires: 1955-07-27
Abstract
No abstract record available.
Inventors
- 👤 Ray M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:27
CPC Classifications
F; F16; F16J; F16J13/00; F16J13/02; F16J13/06; Y; Y10; Y10T; Y10T292/00; Y10T292/20; Y10T292/221; Y10T292/223; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/5854; Y10T70/5858
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-04-11 | 1941-10-11 | 1942-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-04-11 | 1945-10-11 | 1946-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-04-11 | 1949-10-11 | 1950-04-12 | $7700.00 | Window Closed / Lapsed |