US2712459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed shaft seal
Assignee: Gits Bros Mfg Co
•
Filing: 1950-09-27
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Granted: 1955-07-05
•
Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Edward C Wahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:05
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F16; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/3464; F16J15/348; F16J15/3484; F16J15/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2308114A
Cited
US2362363A
Cited
US2445018A
Cited
FR924833A
Cited
US2444713A
Cited
US2465499A
Cited
US2538987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |