US2989221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination carton and tray for paper
Assignee: Hammermill Paper Co
•
Filing: 1958-09-22
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Granted: 1961-06-20
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Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Ralph R Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:49
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/04; B65D77/0413; B65D77/042; B65D2577/00; B65D2577/04; B65D2577/041; B65D2577/042; B65D2577/043; Y; Y10; Y10S; Y10S206/00; Y10S206/804
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1981647A
Cited
US1882524A
Cited
US2081419A
Cited
US2065483A
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US2462676A
Cited
US2686003A
Cited
US2782980A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |