US3473474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing means for high pressure gear pump
Assignee: Maag Gear Wheel and Machine Co Ltd
•
Filing: 1967-11-01
•
Granted: 1969-10-21
•
Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Luigi Martinaglia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:30
CPC Classifications
F; F04; F04C; F04C15/00; F04C15/0003; F04C15/0023; F04C15/0026
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US164147A
Cited
US2702509A
Cited
US2809592A
Cited
US3096719A
Cited
US3348492A
Cited
US3371615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |