US2710205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing device for rotary pump shafts
Assignee: Ingersoll Rand Co
•
Filing: 1952-03-18
•
Granted: 1955-06-07
•
Expires: 1972-03-18
Abstract
No abstract record available.
Inventors
- 👤 Brkich Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:51
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/348; F16J15/3484; Y; Y10; Y10S; Y10S277/00; Y10S277/927
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1859039A
Cited
US2332150A
Cited
US2432576A
Cited
US2481888A
Cited
US2418620A
Cited
US2584705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-06 | 1958-12-06 | 1959-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-06 | 1962-12-06 | 1963-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-06 | 1966-12-06 | 1967-06-07 | $7700.00 | Window Closed / Lapsed |