US3413008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft seal
Assignee: EG&G Sealol Inc
•
Filing: 1965-01-26
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Granted: 1968-11-26
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 Greiner Harold Frederic
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:14
CPC Classifications
B; B63; B63H; B63H23/00; B63H23/32; B63H23/36; F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/322; F16J15/3224; F16J15/3248; F16J15/3252; F16J15/3256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |