US2519203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic conveyer tube joint
Assignee: Individual
•
Filing: 1948-02-06
•
Granted: 1950-08-15
•
Expires: 1968-02-06
Abstract
No abstract record available.
Inventors
- 👤 Edward J Stoecklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:08
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/08; F16L21/02; F16L21/022; Y; Y10; Y10S; Y10S285/00; Y10S285/918
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US160233A
Cited
US315287A
Cited
US487434A
Cited
US570163A
Cited
US616578A
Cited
US2108948A
Cited
US2217664A
Cited
US2298119A
Cited
US2346051A
Cited
US2374887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |