Patent US2684255A successfully refreshed from Google Patents.
US2684255A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joint seal structure
Assignee: Individual
•
Filing: 1949-12-15
•
Granted: 1954-07-20
•
Expires: 1969-12-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Abele
- 👤 William F Oberhuber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:04
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/02; F16L13/04; F16L13/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1493269A
Cited
US1786506A
Cited
US1944135A
Cited
US1929401A
Cited
US1926107A
Cited
US2366579A
Cited
US2384672A
Cited
US2565296A
Cited
US2470167A
Cited
US2487410A
Cited
US2493404A
Cited
US2481472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |