US2713522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cartridge type packing gland
Assignee: Individual
•
Filing: 1951-07-18
•
Granted: 1955-07-19
•
Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Petch Charles Lorenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/18; F16J15/184
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1093620A
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US1507575A
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US2011304A
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US2051704A
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US2075645A
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US2211898A
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US2390445A
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US2509151A
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US2533531A
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US2570117A
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US2493602A
Cited
US2557835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-18 | 1959-01-17 | 1959-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-18 | 1963-01-17 | 1963-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-18 | 1967-01-17 | 1967-07-19 | $7700.00 | Window Closed / Lapsed |