US3028165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Annular packing member
Assignee: International Basic Economy Corp
•
Filing: 1959-06-22
•
Granted: 1962-04-03
•
Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 John E Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:59
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1814678A
Cited
US2270651A
Cited
US2396491A
Cited
US2676040A
Cited
US2770510A
Cited
US2892644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |