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US2983539A
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US
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Bag seal
Assignee: PORTER SAFETY SEAL Co
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Filing: 1958-06-24
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Granted: 1961-05-09
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Allan A Norin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:37
CPC Classifications
B; B65; B65D; B65D77/00; B65D77/10; B65D77/16; B65D77/18; B65D77/185; Y; Y10; Y10T; Y10T292/00; Y10T292/48; Y10T292/481
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2619696A
Cited
US2654624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |