Patent US2792997A successfully refreshed from Google Patents.
US2792997A
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US
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Container
Assignee: Wolf Envelope Co
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Filing: 1955-04-06
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Granted: 1957-05-21
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Expires: 1975-04-06
Abstract
No abstract record available.
Inventors
- 👤 Harry F Affelder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:43
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/04; B65G51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1066990A
Cited
US1784813A
Cited
US1838885A
Cited
US1901508A
Cited
US1951820A
Cited
US2257683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |