US2907596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing apparatus
Assignee: Parker Hannifin Corp
•
Filing: 1954-06-22
•
Granted: 1959-10-06
•
Expires: 1974-06-22
Abstract
No abstract record available.
Inventors
- 👤 Otto J Maha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:53
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; F16J15/3204; F16J15/3232; F16J15/166
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2565923A
Cited
US2509436A
Cited
US2656820A
Cited
US2660493A
Cited
US2639198A
Cited
US2701155A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |