US2552689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary shaft seal
Assignee: H H Buggie & Co
•
Filing: 1950-08-08
•
Granted: 1951-05-15
•
Expires: 1970-08-08
Abstract
No abstract record available.
Inventors
- 👤 Jr George A Peeps
- 👤 Robert J Melcher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:20
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3436; F16J15/344; F16J15/18; F16J15/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US625412A
Cited
GB190022239A
Cited
GB447502A
Cited
US2452352A
Cited
US2473502A
Cited
US2510414A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |