Patent US2062689A successfully refreshed from Google Patents.
Patent US2886347A successfully refreshed from Google Patents.
US2886347A
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Seals for rotatable members
Assignee: Marlin Rockwell Corp
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Filing: 1956-10-29
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Granted: 1959-05-12
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Expires: 1976-10-29
Abstract
No abstract record available.
Inventors
- 👤 John J Kupchick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:38
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/72; F16C33/76; F16C33/78; F16C33/7803; F16C33/7806; F16C33/784; F16C33/7843; F16C33/7853; F16C33/7856; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C23/00; F16C23/06; F16C23/08; F16C23/082; F16C23/086
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |