Patent US3054628A successfully refreshed from Google Patents.
US3054628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling having a teflon sealing gasket
Assignee: ATLAS BRADFORD Co
•
Filing: 1954-06-08
•
Granted: 1962-09-18
•
Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 John M Hardy
- 👤 William B Taylor
- 👤 Wilbur H Griffin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:22
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; E; E21; E21B; E21B17/00; E21B17/02; E21B17/04; E21B17/042; E21B17/08; F16L15/04; Y; Y10; Y10S; Y10S285/00; Y10S285/909
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US515627A
Cited
US1040971A
Cited
US993155A
Cited
US1006671A
Cited
US1590357A
Cited
US1919844A
Cited
US2110127A
Cited
US2150221A
Cited
US2181343A
Cited
US2229493A
Cited
US2309791A
Cited
US2401554A
Cited
US2422223A
Cited
US2494598A
Cited
US2711913A
Cited
US2665886A
Cited
FR1078733A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |