US2881710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal with replaceable sleeve
Assignee: Jabsco Pump Co
•
Filing: 1955-08-22
•
Granted: 1959-04-14
•
Expires: 1975-08-22
Abstract
No abstract record available.
Inventors
- 👤 Murray G Mclean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:34
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/106; Y; Y10; Y10S; Y10S277/00; Y10S277/911; Y10S277/912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371250A
Cited
US1840867A
Cited
US1808798A
Cited
US1891267A
Cited
US2711136A
Cited
US2533399A
Cited
US2782723A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |