US3409316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit coupling
Assignee: Gates Rubber Co
•
Filing: 1967-12-05
•
Granted: 1968-11-05
•
Expires: 1987-12-05
Abstract
No abstract record available.
Inventors
- 👤 David E Jewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:17
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/12; F16L37/20; F16L37/18; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US569801A
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US3124374A
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US2617312A
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GB854763A
Cited
US3052450A
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US3142199A
Cited
US3278205A
Cited
US3323381A
Cited
US3268249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |