US3191973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupling with flexible sealing lip
Assignee: Individual
•
Filing: 1963-02-01
•
Granted: 1965-06-29
•
Expires: 1983-02-01
Abstract
No abstract record available.
Inventors
- 👤 Guarnaschelli Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:10
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/063; F16L19/00; F16L19/02; F16L19/0212; F16L19/0225; F16L19/025
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |