US2780261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliderless fastener closure
Assignee: Flexigrip Inc
•
Filing: 1954-10-26
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Granted: 1957-02-05
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Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Emil F Svec
- 👤 Karel J Staller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; A; A45; A45C; A45C13/00; A45C13/10; A45C13/1023; B65D33/2541; A44; A44B; A44B19/00; A44B19/10; A44B19/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2666466A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-05 | 1960-08-06 | 1961-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-05 | 1964-08-06 | 1965-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-05 | 1968-08-06 | 1969-02-05 | $7700.00 | Window Closed / Lapsed |