US2828982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cam operated coupler to engage a threaded bung
Assignee: Individual
•
Filing: 1955-12-12
•
Granted: 1958-04-01
•
Expires: 1975-12-12
Abstract
No abstract record available.
Inventors
- 👤 Kenneth A Kennedy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:52
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/08; F16L37/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE201409C
Cited
US351414A
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US454922A
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US491469A
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US1297719A
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US2453813A
Cited
US2697619A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |