Patent US3921334A successfully refreshed from Google Patents.
Patent US3454210A successfully refreshed from Google Patents.
US3454210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Easy opening and reclosable package,film therefor and process
Assignee: Standard Packaging Corp
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Filing: 1968-05-23
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Granted: 1969-07-08
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Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Francis X Spiegel
- 👤 Victor Monia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:32
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/28; B65D75/30; B65D75/52; B65D75/58; B65D75/5855; B65D2575/00; B65D2575/52; B65D2575/58; B65D2575/586
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |