US3047315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring urged ball and socket exhaust pipe connector
Assignee: Western Piping & Engineering C
•
Filing: 1960-02-05
•
Granted: 1962-07-31
•
Expires: 1980-02-05
Abstract
No abstract record available.
Inventors
- 👤 Court J Kinnison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:09
CPC Classifications
F; F01; F01N; F01N13/00; F01N13/18; F01N13/1805; F01N13/1811; F16; F16L; F16L27/00; F16L27/10; F16L27/1004
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1154984A
Cited
FR605502A
Cited
GB401458A
Cited
US2219752A
Cited
US2295907A
Cited
US2329369A
Cited
DE835820C
Cited
US2776168A
Cited
US2836436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |