US2930633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conduit coupling carrier
Assignee: Deere and Co
•
Filing: 1956-09-04
•
Granted: 1960-03-29
•
Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Lloyd D Ethington
- 👤 Shih C Kao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:46
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/30; F16L37/32; F16L37/33; F16L37/22; F16L37/23; F16L55/00; F16L55/10; F16L55/1007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1784821A
Cited
US2159150A
Cited
US2538259A
Cited
US2514717A
Cited
US2548528A
Cited
US2699961A
Cited
US2788991A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |