US3440696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sealing fastener
Assignee: Flexigrip Inc
•
Filing: 1965-10-22
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Granted: 1969-04-29
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Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Karel J Staller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:25
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/25; B65D33/2508; B65D33/2541; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/304; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/56; B29C65/58; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/47; B29C66/474; B29D; B29D5/00; B29D5/10; A; A44; A44B; A44B19/00; A44B19/10; A44B19/16; B29C48/03; B29C48/07; B29C48/12; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10S24/39; Y10S24/50; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45173
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452899A
Cited
US2520467A
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US2602208A
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US2772469A
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US2756172A
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US2780261A
Cited
US3176364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-28 | 1972-10-28 | 1973-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-28 | 1976-10-28 | 1977-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-28 | 1980-10-28 | 1981-04-29 | $7700.00 | Window Closed / Lapsed |