US2902301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal
Assignee: Olin Corp
•
Filing: 1955-07-19
•
Granted: 1959-09-01
•
Expires: 1975-07-19
Abstract
No abstract record available.
Inventors
- 👤 John C Daeschner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:56
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/08; F04D29/10; F04D29/12; F04D29/126; F04D29/128
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321379A
Cited
US1212089A
Cited
US1926007A
Cited
US2112461A
Cited
US2366729A
Cited
US2467312A
Cited
US2712461A
Cited
US2860895A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |