US2729475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaphragm type mechanical seal
Assignee: Garlock Packing Co
•
Filing: 1953-02-16
•
Granted: 1956-01-03
•
Expires: 1973-02-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert M Chambers
- 👤 Schwing Roger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:15
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)
CA458460A
Cited
US1931723A
Cited
US2101013A
Cited
US2385420A
Cited
US2377452A
Cited
US2497704A
Cited
US2572422A
Cited
US2608425A
Cited
US2650117A
Cited
US2701154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |