Patent US3467427A successfully refreshed from Google Patents.
US3467427A
Expired / Lapsed
US
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All-plastic seal
Assignee: EJ Brooks Co
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Filing: 1968-03-29
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Granted: 1969-09-16
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Expires: 1988-03-29
Abstract
No abstract record available.
Inventors
- 👤 Sigurd M Moberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:01
CPC Classifications
G; G09; G09F; G09F3/00; G09F3/02; G09F3/03; G09F3/0305; G09F3/0347; G09F3/0352; B; B65; B65D; B65D77/00; B65D77/10; B65D77/16; B65D77/18; B65D77/185; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1498; Y10T24/15; Y10T24/153; Y10T292/00; Y10T292/48; Y10T292/50
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) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |