US3364523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal packing fluid seals for extrusion machines
Assignee: Oerlikon Barmag AG
•
Filing: 1966-05-18
•
Granted: 1968-01-23
•
Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Schippers Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/58; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/40; B29B7/42; B29B7/428; B29B7/58; B29B7/80; B29B7/86; B29C48/00; B29C48/25; B29C48/252; B29C48/254; B30; B30B; B30B11/00; B30B11/22; B30B11/24; F; F16; F16J; F16J15/00; F16J15/16; F16J15/40; B29C48/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1337227A
Cited
US2217686A
Cited
US2436514A
Cited
US2565923A
Cited
US2929646A
Cited
GB882294A
Cited
US3067462A
Cited
US3101199A
Cited
US3164388A
Cited
US3110060A
Cited
US3204294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |