Patent US2824685A successfully refreshed from Google Patents.
US2824685A
Expired / Lapsed
US
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Assembly of series-connected envelopes and method of making same
Assignee: Uarco Inc
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Filing: 1954-02-11
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Granted: 1958-02-25
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Expires: 1974-02-11
Abstract
No abstract record available.
Inventors
- 👤 Theodore H Patton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:47
CPC Classifications
B; B65; B65D; B65D27/00; B65D27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US699875A
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US1714265A
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US1702115A
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US1860965A
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US1951040A
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US2342702A
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US2351805A
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US2372008A
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US2474775A
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US2722369A
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US2723077A
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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) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |