Patent US2807079A successfully refreshed from Google Patents.
US2807079A
Expired / Lapsed
US
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Device for installing seals
Assignee: Greene Tweed and Co
•
Filing: 1953-08-18
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Granted: 1957-09-24
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Expires: 1973-08-18
Abstract
No abstract record available.
Inventors
- 👤 Walter S Josephson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:34
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/0028; F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/06; F28F9/08; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US206813A
Cited
US337434A
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US1778399A
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US2422549A
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US2455202A
Cited
US2670705A
Cited
US2660780A
Cited
US2630343A
Cited
GB682859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |