US2984505A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boot equipped telescoping seal
Assignee: Mercantile National Bank of Chicago
•
Filing: 1956-07-23
•
Granted: 1961-05-16
•
Expires: 1976-07-23
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Andresen
- 👤 Hilmar A Andresen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1866967A
Cited
US2287207A
Cited
US2432694A
Cited
US2443151A
Cited
US2521137A
Cited
US2645507A
Cited
US2658775A
Cited
US2753198A
Cited
US2856219A
Cited
US2899219A
Cited
US2798750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |