US2989326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment and coupling device
Assignee: ASCO AUTOMATIC SPECIALTIES COR
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Filing: 1957-05-06
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Granted: 1961-06-20
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Expires: 1977-05-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Seward
- 👤 William C Gainer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:50
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/084; F16L37/092; F16L37/0925; F16B; F16B2/00; F16B2/02; F16B2/14; F16B7/00; F16B7/04; F16B7/0406; F16B7/0426; Y; Y10; Y10S; Y10S285/00; Y10S285/906; Y10T; Y10T403/00; Y10T403/16; Y10T403/1608; Y10T403/70; Y10T403/7062; Y10T403/7064; Y10T403/7066
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |