US3383746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for securing fasteners on flexible containers
Assignee: WR Grace and Co
•
Filing: 1965-09-22
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Granted: 1968-05-21
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Expires: 1985-09-22
Abstract
No abstract record available.
Inventors
- 👤 John E Narduzzi
- 👤 Ralph L Wing
- 👤 Vincent A Forte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:26
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/04; A; A22; A22C; A22C11/00; A22C11/12; A22C11/125; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5102; Y10T29/5186
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) | 1971-05-21 | 1971-11-20 | 1972-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-21 | 1975-11-20 | 1976-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-21 | 1979-11-20 | 1980-05-21 | $7700.00 | Window Closed / Lapsed |