Patent US2838818A successfully refreshed from Google Patents.
US2838818A
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Assignee: PACKETTE CORP
•
Filing: 1954-11-10
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Granted: 1958-06-17
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Expires: 1974-11-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph K Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:52
CPC Classifications
B; B65; B65D; B65D67/00; B65D67/02; Y; Y10; Y10T; Y10T24/00; Y10T24/29
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB182378A
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US1516232A
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US1567387A
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US2090477A
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US2212476A
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US2285801A
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US2384112A
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US2440902A
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US2646911A
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US2637475A
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US2702641A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |