US2721687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Union Bag and Paper Corp
•
Filing: 1950-08-17
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Granted: 1955-10-25
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Expires: 1970-08-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Gross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:58
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/64; B65D5/68; B65D5/4295; B65D5/44; B65D5/48; B65D5/48024; B65D5/48026; B65D5/48038; Y; Y10; Y10S; Y10S229/00; Y10S229/915; Y10S229/916
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1781279A
Cited
US2083623A
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GB471136A
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US2312846A
Cited
US2417008A
Cited
US2450801A
Cited
US2527221A
Cited
US2511550A
Cited
US2489034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |