US3419290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling
Assignee: Corning Glass Works
•
Filing: 1965-11-17
•
Granted: 1968-12-31
•
Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Donald R Campbell
- 👤 Fallos George
- 👤 Jr Anthony R Zine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:03
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/16; F16L23/18; F16L23/22; F16L23/04; F16L27/00; F16L27/10; F16L27/1012; Y; Y10; Y10S; Y10S285/00; Y10S285/911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB372335A
Cited
US1948211A
Cited
US2053626A
Cited
US2308745A
Cited
DE865244C
Cited
GB705415A
Cited
DE1158776B
Cited
US3016161A
Cited
US3212798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |