Patent US3408674A successfully refreshed from Google Patents.
US3408674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sphere launcher
Assignee: TESORO PUMP & VALVE Co A CORP OF
•
Filing: 1967-05-08
•
Granted: 1968-11-05
•
Expires: 1987-05-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred D Hogan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:58
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/26; F16L55/46; F16L2101/00; F16L2101/40; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3266077A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |