US3389753A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swivel tube connection for fire extinguishers
Assignee: Automatic Sprinkler Corp
•
Filing: 1965-12-30
•
Granted: 1968-06-25
•
Expires: 1985-12-30
Abstract
No abstract record available.
Inventors
- 👤 John W Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:44
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/62; A62C13/64; F; F16; F16L; F16L27/00; F16L27/08; F16L27/087; F16L27/093
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) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |